Update codecov/codecov-action action to v3.1.4 (#894)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/flutter.yml

@@ -30,7 +30,7 @@ jobs:
         with:
           name: failures
           path: demo_app/test/failures/
-      - uses: codecov/codecov-action@894ff025c7b54547a9a2a1e9f228beae737ad3c2 # v3.1.3
+      - uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # v3.1.4
 
   integration_test:
     name: Integration test

.github/workflows/flutter_beta.yml

@@ -29,4 +29,4 @@ jobs:
         with:
           name: failures
           path: demo_app/test/failures/
-      - uses: codecov/codecov-action@894ff025c7b54547a9a2a1e9f228beae737ad3c2 # v3.1.3
+      - uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # v3.1.4