Update pull-request.yml to Auto-Commit Changes in pubspec.lock

.github/workflows/pull-request.yml

@@ -22,12 +22,15 @@ jobs:
   Flutter-Codebase-Check:
     name: Checking codebase
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     #needs: PR-Greeting
     steps:
       - uses: actions/checkout@v4
         with:
           # ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu' # See 'Supported distributions' for available options
@@ -43,6 +46,23 @@ jobs:
         run: cd talawa_lint && flutter pub get && cd ..
       - name: Running pub get to fetch dependencies
         run: flutter pub get
+      - name: Check and commit pubspec.lock changes
+        env:
+          HEAD_REF: ${{ github.head_ref }}
+        run: |
+          if [[ $(git status --porcelain pubspec.lock) ]]; then
+            echo "Changes detected in pubspec.lock. Auto-committing updates."
+            git config user.name "github-actions[bot]"
+            git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+            git add pubspec.lock
+            git commit -a -m "chore: Auto-update pubspec.lock in PR #${{ github.event.pull_request.number }}"           
+            if ! git push origin HEAD:"$HEAD_REF"; then
+              echo "Failed to push changes. Please check if you have the correct permissions."
+              exit 1
+            fi
+          else
+            echo "No changes in pubspec.lock."
+          fi
       - name: Checking for correct formatting of code
         run: dart format --set-exit-if-changed .
       - name: Count lines of code in each file
@@ -58,7 +78,6 @@ jobs:
           git branch
           git checkout -b temp_branch
           git branch
-          git stash push -m lock_file pubspec.lock
           git checkout develop-postgres
           git pull
           git branch