ci: fix workflow YAML parsing

Author: jianliang00

.github/workflows/ci.yml

@@ -1,6 +1,6 @@
 name: CI
 
-on:
+"on":
   push:
     branches: [main]
   pull_request:
@@ -31,4 +31,5 @@ jobs:
         run: go install honnef.co/go/tools/cmd/staticcheck@latest
 
       - name: Run staticcheck
-        run: "$(go env GOPATH)/bin/staticcheck" ./...
+        run: |
+          "$(go env GOPATH)/bin/staticcheck" ./...