fix: derive app-name at runtime; template expansion breaks ${{ }} expressions

.forgejo/template

@@ -1,6 +1,5 @@
 package.json
 README.md
 .env.example
-.forgejo/workflows/ci.yaml
 migrations/0001_init.sql
 package-lock.json

.forgejo/workflows/ci.yaml

@@ -20,10 +20,10 @@ jobs:
       - uses: actions/checkout@v4
       - uses: http://192.168.1.230:3000/nholtware/workflows/build-push@main
         with:
-          app-name: ${REPO_NAME}
+          app-name: ${{ github.event.repository.name }}
           registry-user: ${{ secrets.REGISTRY_USER }}
           registry-token: ${{ secrets.REGISTRY_TOKEN }}
       - uses: http://192.168.1.230:3000/nholtware/workflows/gitops-bump@main
         with:
-          app-name: ${REPO_NAME}
+          app-name: ${{ github.event.repository.name }}
           gitops-token: ${{ secrets.GITOPS_TOKEN }}