Add GitHub Action for Remove old artifacts (rehlds#230)

[skip ci]

.github/workflows/remove-old-artifacts.yml

@@ -0,0 +1,19 @@
+name: Remove old artifacts
+
+on:
+  schedule:
+    # Every day at 1am
+    - cron: '0 1 * * *'
+
+jobs:
+  remove-old-artifacts:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+    - name: Remove old artifacts
+      uses: c-hive/[email protected]
+      with:
+        age: '1 month'
+        skip-tags: true
+        skip-recent: 4