Update workflows for Forgejo runner

.github/workflows/deploy.yml

@@ -4,19 +4,12 @@ on: workflow_dispatch
 
 jobs:
   deploy:
-    runs-on: ubuntu-latest
+    runs-on: antville
 
     environment:
       name: weblogs.at
       url: https://weblogs.at
 
     steps:
-      - name: Set up SSH agent
-        uses: antville/helma/.github/actions/ssh@helma-🐜
-        with:
-          config: ${{ vars.SSH_CONFIG }}
-          key: ${{ secrets.SSH_PRIVATE_KEY }}
-          known-hosts: ${{ vars.SSH_KNOWN_HOSTS }}
-
       - name: Copy files to production server
         run: ssh staging-server deploy-helma