Add GitHub Actions workflow for cleaning cache

.github/workflows/clean-cache.yml

@@ -0,0 +1,34 @@
+name: Clean cache
+
+on:
+  schedule:
+    - cron: "0 0 * * *"
+  workflow_dispatch:
+
+jobs:
+  cleanup:
+    name: Cleanup
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 🚪
+        uses: actions/checkout@v4
+
+      - name: Cleanup ✨
+        run: |
+          gh extension install actions/gh-actions-cache
+
+          REPO=${{ github.repository }}
+
+          echo "Fetching list of cache key"
+          cacheKeysForPR=$(gh actions-cache list -R $REPO -L 100 | cut -f 1 )
+
+          ## Setting this to not fail the workflow while deleting cache keys.
+          set +e
+          echo "Deleting caches..."
+          for cacheKey in $cacheKeysForPR
+          do
+              gh actions-cache delete $cacheKey -R $REPO --confirm
+          done
+          echo "Done"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}