Update build-kernel-a12-5.10.yml

.github/workflows/build-kernel-a12-5.10.yml

@@ -60,6 +60,13 @@ jobs:
           remove-haskell: 'true'
           remove-codeql: 'true'
 
+      - name: Clear GitHub Workspace
+        if: ${{ inputs.runner == 'ubuntu-22.04-local' }}
+        run: |
+          echo "Clearing the GitHub workspace..."
+          rm -rf $GITHUB_WORKSPACE/*
+          echo "Workspace cleared."
+
       - name: Set CONFIG Environment Variable
         run: |
           # Set CONFIG dynamically based on matrix values