Update and lock sass_api version when releasing dart-sass-embedded (#1878)

Author: ntkme

.github/workflows/ci.yml

@@ -487,13 +487,17 @@ jobs:
 
  - name: Get version
  id: version
- run: echo "::set-output name=version::${GITHUB_REF##*/}"
+ run: |
+ echo "sass=${GITHUB_REF##*/}" | tee --append $GITHUB_OUTPUT
+ echo "sass_api=$(curl --fail --silent --show-error --location https://raw.githubusercontent.com/sass/dart-sass/${GITHUB_REF##*/}/pkg/sass_api/pubspec.yaml | yq .version)" | tee --append $GITHUB_OUTPUT
 
  - name: Update version
  run: |
- sed -i 's/version: .*/version: ${{ steps.version.outputs.version }}/' pubspec.yaml
+ sed -i 's/version: .*/version: ${{ steps.version.outputs.sass }}/' pubspec.yaml
+ dart pub remove sass_api
  dart pub remove sass
- dart pub add sass:${{ steps.version.outputs.version }}
+ dart pub add sass:${{ steps.version.outputs.sass }}
+ dart pub add sass_api:^${{ steps.version.outputs.sass_api }}
 
  # Delete a dependency override on Sass if it exists, and delete the
  # dependency_overrides field if it's now empty. The embedded compiler
@@ -513,11 +517,11 @@ jobs:
  # make sure we're releasing against the latest version of all deps.
  dart pub upgrade
 
- curl https://raw.githubusercontent.com/sass/dart-sass/${{ steps.version.outputs.version }}/CHANGELOG.md > CHANGELOG.md
+ curl --fail --silent --show-error --location --output CHANGELOG.md https://raw.githubusercontent.com/sass/dart-sass/${{ steps.version.outputs.sass }}/CHANGELOG.md
 
  - uses: EndBug/add-and-commit@v8
  with:
  author_name: Sass Bot
  author_email: sass.bot.beep.boop@gmail.com
  message: Update Dart Sass version and release
- tag: ${{ steps.version.outputs.version }}
+ tag: ${{ steps.version.outputs.sass }}