Amends #4679

…n-suppression

* 'develop' of github.com:ampproject/amp-wp:
  Strip multiple BOM characters (#4683)
  Strip leading BOM and whitespace and trailing HTML comment before parsing validation response JSON (#4679)
  Update dependency xwp/wp-dev-lib to v1.6.4
  Update dependency eslint to v7

…/reader-mode-themes

* 'develop' of github.com:ampproject/amp-wp: (59 commits)
  Strip multiple BOM characters (#4683)
  Strip leading BOM and whitespace and trailing HTML comment before parsing validation response JSON (#4679)
  Update dependency xwp/wp-dev-lib to v1.6.4
  Update dependency eslint to v7
  Remove unused RuntimeException
  Use explicit string type instead of generic array in return
  Avoid method map and replace with a switch
  Defer removal of attributes until after layout application
  Fix post preview in Reader mode (#4665)
  Ensure that source map comment is preserved at the end of amp-custom.css
  Pass DOMAttr instances rather than attribute name and value as separate args
  Enable SSR by default, remove use of WP_DEBUG as a signal. (#4669)
  Use padding-top and override regular inline style for heights
  Update php-parallel-lint dependency to new name
  Use :first-child to reference sizer in CSS
  Update dependency @wordpress/babel-preset-default to v4.12.1 (#4494)
  Fix error type for bad sizes test
  Provide more precise error for thrown exception
  Test precise error messages
  Fix attribute name in error messages
  ...

…ve-collection-schema-type

* 'develop' of github.com:ampproject/amp-wp:
  Raise PHPStan level to 4 in lib/common (#4686)
  Update dependency uuid to v8
  Update dependency webpack to v4.43.0
  Update dependency eslint-plugin-jest to v23.11.0
  Update dependency eslint-plugin-react to v7.20.0 (#4691)
  Update dependency postcss to v7.0.30 (#4649)
  Update dependency moment to v2.25.3 (#4639)
  Update dependency babel-jest to v26 (#4652)
  Update dependency uuid to v7.0.3 (#4490)
  Update dependency wp-coding-standards/wpcs to v2.3.0 (#4721)
  Suppress Site Health ICU test if site or home URL is not an IDN (#4698)
  Pin amp-experiment to v0.1 (#4690)
  Strip multiple BOM characters (#4683)
  Strip leading BOM and whitespace and trailing HTML comment before parsing validation response JSON (#4679)
  Disable share icons
  Use amp-embedly-card for Tiktok embeds
  Update dependency xwp/wp-dev-lib to v1.6.4
  Update dependency eslint to v7
  Update dependency terser-webpack-plugin to v2.3.6