fix: update playground pr preview and cleanup artifacts

.github/workflows/cleanup-playground-artifacts.yml

@@ -0,0 +1,25 @@
+name: Cleanup WordPress Playground PR Artifacts
+
+on:
+  pull_request:
+    types: [closed]
+
+permissions:
+  contents: write
+
+jobs:
+  cleanup-artifacts:
+    name: Cleanup PR Artifacts
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Cleanup PR artifacts from release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          assets=$(gh release view ci-artifacts --repo ${{ github.repository }} --json assets -q ".assets[].name" 2>/dev/null || echo "")
+          for asset in $assets; do
+            if [[ "$asset" == "pr-${{ github.event.pull_request.number }}-"* ]]; then
+              echo "Deleting $asset..."
+              gh release delete-asset ci-artifacts "$asset" --repo ${{ github.repository }} -y || true
+            fi
+          done

.github/workflows/reusable-wp-playground-pr-preview-public.yml

@@ -21,7 +21,7 @@ on:
         description: 'Number of artifacts to keep per PR'
         required: false
         type: string
-        default: '2'
+        default: '1'
 
 permissions: {}
 

.github/workflows/reusable-wp-playground-pr-preview.yml

@@ -21,7 +21,7 @@ on:
         description: 'Number of artifacts to keep per PR'
         required: false
         type: string
-        default: '2'
+        default: '1'
 
 permissions:
   contents: read