run weekly

.gitea/workflows/release.yml

@@ -4,9 +4,8 @@ on:
   push:
     branches:
       - main
-
-env:
-  REGISTRY_URL: git.tainton.uk
+  schedule:
+    - cron: '@weekly'
 
 jobs:
   publish:
@@ -24,7 +23,7 @@ jobs:
       - name: Log in to Gitea Package Registry
         uses: docker/login-action@v3
         with:
-          registry: ${{ env.REGISTRY_URL }}
+          registry: ${{ vars.PACKAGES_REGISTRY_URL }}
           username: ${{ vars.PACKAGES_REGISTRY_USERNAME }}
           password: ${{ secrets.PACKAGES_REGISTRY_PASSWORD }}