👷 Update action

Author: iota9star

.github/workflows/build-apps.yml

@@ -58,7 +58,7 @@ jobs:
     name: Release Windows
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup flutter
         uses: subosito/flutter-action@v2
         with:
@@ -82,7 +82,7 @@ jobs:
     name: Release MacOS
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup flutter
         uses: subosito/flutter-action@v2
         with: