GHA: wipe out temp build artifacts

.github/workflows/wipe-out-temp-build-artifacts.yml

@@ -0,0 +1,22 @@
+name: Wipe out temp build artifacts
+
+# configure manual trigger
+on:
+  workflow_dispatch:
+#on:
+#  push:
+#    branches:
+#      - 'main'
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Remove Temp Build Artifacts from S3
+        id: cleanup-s3-temp-storage
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.TOOLS_S3_ACCESS_KEY }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.TOOLS_S3_SECRET_KEY  }}
+        run: |
+          aws s3 rm s3://dist.springsource.com/sts4-distro-ci-temp --recursive --exclude "*" --include "*.zip"
+