Merge pull request #1133 from zino-hofmann/macros/flutter3

ci: fixed CI to continue to use flutter 2.x

Author: vincenzopalazzo

.github/workflows/graphql_flutter_build.yml

@@ -10,5 +10,6 @@ jobs:
       - uses: subosito/flutter-action@v1
         with:
           channel: 'stable'
+          flutter-version: '2.10.5'
       - run: make dep
       - run: make ci_fmt_flutter

.github/workflows/graphql_flutter_codcoverage.yml

@@ -10,6 +10,7 @@ jobs:
       - uses: subosito/flutter-action@v1
         with:
           channel: 'stable'
+          flutter-version: '2.10.5'
       - run: |
           make dep
           make ci_coverage_flutter

.github/workflows/graphql_flutter_tests.yml

@@ -10,6 +10,7 @@ jobs:
       - uses: subosito/flutter-action@v1
         with:
           channel: 'stable'
+          flutter-version: '2.10.5'
       - name: Install dependencies
         run: make dep
       - name: Tests

.github/workflows/packages_build.yml

@@ -10,6 +10,7 @@ jobs:
       - uses: subosito/flutter-action@v1
         with:
           sdk: stable
+          flutter-version: '2.10.5'
       - name: Install dependencies
         run: make dep
       - name: Code formatting check