CI: fix deploy condition syntax for Gitea Actions

.gitea/workflows/ci.yml

@@ -39,19 +39,8 @@ jobs:
         env:
           NODE_OPTIONS: "--max-old-space-size=4096"
 
-  debug-context:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Show context variables
-        run: |
-          echo "github.ref=${{ github.ref }}"
-          echo "github.ref_name=${{ github.ref_name }}"
-          echo "github.event_name=${{ github.event_name }}"
-          echo "github.repository=${{ github.repository }}"
-          echo "github.sha=${{ github.sha }}"
-
   deploy:
-    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
+    if: ${{ github.ref == 'refs/heads/main' && github.event_name == 'push' }}
     needs: [test-and-build]
     runs-on: ubuntu-latest
     container: