* 'main' of github.com:/ocaml/dune: (946 commits)
  refactor(boot): some helpers for command line flags (ocaml#12375)
  refactor(boot): move file exists check to one place (ocaml#12395)
  Check for parameterised libraries from the compiler config (ocaml#12393)
  Update test/blackbox-tests/test-cases/ocaml-config-ox.t
  Update test/blackbox-tests/test-cases/oxcaml/ocaml-config-ox-true.t
  Add changes
  Turn the %{ocaml-config:ox} test into one file, and add a +ve test case
  Clarify variable vars in ocaml_config.ml
  Expose the ocamlc -config parameter "ox"
  doc: changing heading levels for sub-sections (ocaml#12389)
  chore(deps): bump actions/checkout from 4 to 5 (ocaml#12380)
  refactor(boot): remove pointless [assert false] (ocaml#12378)
  refactor(boot): mangling simplification (ocaml#12377)
  refactor(boot): move ocaml-config bindings (ocaml#12376)
  refactor(boot): simplify blake3 flag handling (ocaml#12379)
  refactor(boot): use [Module_name.t] in ocamldep parsing (ocaml#12373)
  refactor(boot): replace concat + filter_map with concat_map (ocaml#12374)
  chore: move tests to dune-init
  move test to virtual-libraries
  chore: move test to directory-targets
  ...