* main:
  Fix typos in the deprecation APi proposal (sass#3708)
  Add first class mixins to embedded sass protobuf and JS API (sass#3674)

* color-spaces-js-changes-1.2:
  Remove unused ValueObject type
  Fix typos in the deprecation APi proposal (sass#3708)
  Return immutable types
  Remove generic change overload
  Add first class mixins to embedded sass protobuf and JS API (sass#3674)

* main:
  Remove `isAlphaMissing` and add "alpha" to channel name types.
  Rename types using title-case for acronyms longer than two letters in camel-case identifiers.
  Clarifying performance expectations about sass and sass-embedded (sass#3716)
  Tweak language around getters and arrays.
  Code review
  Remove unused ValueObject type
  [First-Class Mixins] Flush to spec
  Move and restructure how we specify scopes
  Fix typos in the deprecation APi proposal (sass#3708)
  Return immutable types
  Remove generic change overload
  Add first class mixins to embedded sass protobuf and JS API (sass#3674)
  Draft 1.1 changes for Color spaces JS API  (sass#3704)
  Add support for the relative color syntax from CSS Color 5 (sass#3676)
  Bump tj-actions/changed-files from 39.0.3 to 39.2.0 (sass#3697)
  Package Importer updates (sass#3699)
  Fix link in Contributing docs (sass#3705)