ci: format workflow with Prettier

Author: rluetken-dev

.github/workflows/ci.yml

@@ -1,9 +1,9 @@
 name: CI
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 concurrency:
   group: ci-${{ github.ref }}
   cancel-in-progress: true