Fix CI warnings

Author: cachapa

.github/workflows/quality_gate.yml

@@ -14,15 +14,15 @@ jobs:
     timeout-minutes: 10
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: dart-lang/setup-dart@v1
       - run: dart format --set-exit-if-changed .
 
   analyze:
     timeout-minutes: 10
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: dart-lang/setup-dart@v1
       - run: dart pub get
       - run: dart analyze --fatal-infos
@@ -31,7 +31,7 @@ jobs:
     timeout-minutes: 10
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: dart-lang/setup-dart@v1
       - name: Load test credentials
         run: |