Avoid having to bump the macos github action

.github/workflows/macos.yml

@@ -17,9 +17,12 @@ jobs:
       - uses: actions/checkout@v1
       - name: Install Deps
         run: brew install git-crypt md5sha1sum gnu-sed create-dmg xmlstarlet
+      - name: Get Flutter version
+        id: get-flutter-version
+        uses: zgosalvez/github-actions-get-flutter-version-env@v1
       - uses: subosito/flutter-action@v1
         with:
-          flutter-version: "3.0.3"
+          flutter-version: ${{ steps.get-flutter-version.outputs.version }}
       - name: Test
         run: ./scripts/test.sh
       # - name: Test Report

docs/bump-flutter.md

@@ -5,7 +5,6 @@
 - [ ] Upgrade flutter-android-sdk
 - [ ] Upgrade pubspec.yaml
 - [ ] Upgrade flutterw
-- [ ] Upgrade .github/workflows/macos.yml
 
 - [ ] Run `dart fix --apply`
 - [ ] Check `flutter analyze`