Bump subosito/flutter-action from 2.12.0 to 2.16.0

Bumps [subosito/flutter-action](https://github.com/subosito/flutter-action) from 2.12.0 to 2.16.0.
- [Release notes](https://github.com/subosito/flutter-action/releases)
- [Commits](subosito/flutter-action@v2.12.0...v2.16.0)

---
updated-dependencies:
- dependency-name: subosito/flutter-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/netglade_flutter_utils-test.yaml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: subosito/flutter-action@v2.12.0
+      - uses: subosito/flutter-action@v2.16.0
 
       - name: Install Dependencies
         run: flutter pub get