* Fix name loader problem; enforce expected type of all cube cell_methods.

* Review change: fix import order.

* Update imagerepo.json for skipped changes from test-iris-imagehash v0.16.

* Lockfile updates (#4968)

* Updated environment lockfiles

* Adjustments for Cartopy v0.21.0 (SciTools/cartopy@fcb784d).

* Cartopy >=0.21 pin.

* What's New entry.

* WIP try netCDF4 pin.

* Try pip installing netcdf4==1.6.1 as requested by @ocefpaf.

* Revert "Try pip installing netcdf4==1.6.1 as requested by @ocefpaf."

This reverts commit ce9f890.

* netcdf4!=1.6.1

* Align Conda YAML formatting.

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* New lockfiles.

* What's New entry.

* What's New correction.

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* Change deprecated MPL colormap registration - matplotlib/matplotlib#23668.

* Adapt benchmark for importing palette to cope with MPL 3.6.

* What's New entry.

* What's New typo.

* Reformat import_iris imports.

* set whatsnew release date

* fix whatsnew

* Enable manual GHA benchmark run with custom first_commit.

* Modified benchmark netcdf import - #4803.

* v3.3.x:
  Update whatsnew for 3.3.1 release (#5002)
  Port dependency fixes to `v3.3.x`. (#4992)
  Fix name loader problem (#4933)
  Reinstate CubeList._repr_html_() (#4976)

# Conflicts:
#	.github/workflows/ci-tests.yml
#	requirements/ci/nox.lock/py310-linux-64.lock
#	requirements/ci/nox.lock/py38-linux-64.lock
#	requirements/ci/nox.lock/py39-linux-64.lock
#	requirements/ci/py310.yml
#	requirements/ci/py38.yml
#	requirements/ci/py39.yml
#	setup.cfg

Mergeback v3.3.1

…nates (#4969)

* Convert all time points at once before generating cells

* Small simplification

* Add a whatnew entry

* Fix link

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Instead of Python-Glossary

* DOC: add show option to Makefiles

* fix typo

Co-authored-by: Patrick Peglar <patrick.peglar@metoffice.gov.uk>

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* Sample code to convert ORCA data into a meshcube.

* Better illustrative image.

* Added whatsnew.

* New LBFC-CF mappings based on info from Julian Heming.

* Further mappings.

* What's New entry.

* remove ancient workarounds

* whatsnew

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* Speed up Cube.subset/Coord.intersect

* Add a whatsnew entry

updates:
- [github.com/psf/black: 22.8.0 → 22.10.0](psf/black@22.8.0...22.10.0)

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Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 4.1.3 to 4.2.0.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@671dc9c...b4d5173)

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* Meshcoords take metadata from face/edge coords.

* Test fixes.

* Added tests for missing-vs-present standard-names and units.

* Slight code tidying.

* Review changes.

* Added whatsnew.

* Added pandas_ndim FUTURE flag.

* TODO flag to document pandas_ndim future flag.

* Added in dim_coord prioritisation within _get_lon_lat_coords

* Completed testing for dim coord prioritisation, added what's new entry

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* updated tests to include fixtures

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* Mostly formatting changes for readability, largely suggested by Payton for better PyTest consistency.

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* Replaced  with  throughout

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* updated docstring in project

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* improve error messages

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* add test

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* Use reusable workflow for refresh lockfile workflow

* Update location of reusable workflows

* Replicate legacy dask behaviour pre dask/dask#9555.

* Revert "Replicate legacy dask behaviour pre dask/dask#9555."

This reverts commit 7363412.

* Accept shared NumPy arrays when copying certain Dask arrays - dask/dask#9555.

* Updated lock-files.

* What's New entry.

* Re-arrange What's New entry.

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updates:
- [github.com/psf/black: 22.10.0 → 22.12.0](psf/black@22.10.0...22.12.0)

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* switch order of options and parameter in ncgen

* add info to whatsnew

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* whatsnew

* missed a bit

* review action

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updates:
- [github.com/pycqa/isort: 5.10.1 → v5.11.3](PyCQA/isort@5.10.1...v5.11.3)

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Bumps [actions/stale](https://github.com/actions/stale) from 6 to 7.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](actions/stale@v6...v7)

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updates:
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* unpin theme and set default style to light (not dark)

* added whatsnew and fixed typo.

* minor tweaks

* remove spelling config and docs, this didnt pan out.

* added line break

* Fix link checks.

* What's New entry.

* ECMWF about experiment.

* ECMWF apps experiment.

* Remove ECMWF link.

* More specific What's New entry.

* Updated environment lockfiles

* Use set_ylim for test_2d_coord_bounds_platecarree.

* Don't use np.float for maths tests.

* Remove uses of np.int .

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* Updated citation

* Added WhatsNew

* Reference version 3.4 in DOI

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* Suggest updating the citation at every release

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* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/blacken-docs: v1.12.1 → 1.13.0](adamchainz/blacken-docs@v1.12.1...1.13.0)

* Remove explicit black version dependency from blacken-docs.

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* Iris Xarray docs page.

* Add links.

* Xarray page styling.

* What's New entry.

* Minor docs fixes.

* Overall experience section.

* Xarray supports other plotting backends through external packages.

Co-authored-by: Deepak Cherian <dcherian@users.noreply.github.com>

* Section on converting between Iris and Xarray.

* Clearer language around laziness and multi-processing.

* To-do note about dates and fill values.

* Move iris_xarray page into a new Community section.

* Language fixes from @bjlittle review.

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updates:
- [github.com/pycqa/isort: 5.11.4 → 5.12.0](PyCQA/isort@5.11.4...5.12.0)

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* add readme #showyourstripes

* use defacto url src

* update whatsnew

* licensed to distributed

* Fixing typo's in Gitwash.

* Updating the whatsnew to implement requested changes

* [pre-commit.ci] pre-commit autoupdate

updates:
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* Set up `iris.plugins` namespace package

* Provide convenience function to use a plugin

* Basic documentation for plugins

* Add a hint about plugins when load fails

* Expose `use_plugin` in `__all__`

* Add example usage

* Split plugin documentation to its own page

* Document how to create a plugin

* Link to documentation

* Correct "plain" code block -> "text"

* Whatsnew

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