add general CI workflows

Author: matt-codecov

.github/workflows/cache-cleanup.yml

@@ -0,0 +1,33 @@
+name: cleanup caches by a branch
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Cleanup
+        run: |
+          gh extension install actions/gh-actions-cache
+
+          REPO=${{ github.repository }}
+          BRANCH="refs/pull/${{ github.event.pull_request.number }}/merge"
+
+          echo "Fetching list of cache key"
+          cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH -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 -B $BRANCH --confirm
+          done
+          echo "Done"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/enforce-license-compliance.yml

@@ -0,0 +1,14 @@
+name: Enforce License Compliance
+
+on:
+  pull_request:
+    branches: [main, master]
+
+jobs:
+  enforce-license-compliance:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Enforce License Compliance'
+        uses: getsentry/action-enforce-license-compliance@57ba820387a1a9315a46115ee276b2968da51f3d # main
+        with:
+          fossa_api_key: ${{ secrets.FOSSA_API_KEY }}