use custom action

.github/workflows/purge-untagged-images.yml

@@ -9,22 +9,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Delete untagged images
-        uses: actions/github-script@v3
+      - name: Prune
+        uses: bakito/action-ghcr-prune@main
         with:
-          # token needs read:packages,  delete:packages
-          github-token: ${{ secrets.PRUNE_IMAGE_TOKEN }}
-          script: |
-            const response = await github.request("GET /users/bakito/packages/container/adguardhome-sync/versions",
-              { per_page: ${{ env.PER_PAGE }}
-            });
-            for(version of response.data) {
-                if (version.metadata.container.tags.length == 0) {
-                    console.log("delete '" + version.id + "'")
-
-                    const deleteResponse = await github.request("DELETE " + version.url, { });
-                    console.log("status " + deleteResponse.status)
-                }
-            }
-        env:
-          PER_PAGE: 50
+          token: ${{ secrets.PRUNE_IMAGE_TOKEN }}
+          user: bakito
+          container: adguardhome-sync
+          dry-run: true # Dry-run first, then change to `false`
+          older-than: 7 # days
+          keep-last: 2
+          untagged: true