[Github] Fix triggers formatting in code format action

A recent comment modified the job to only run on the main branch, but
the formatting was slightly off, causing the job to not run. This patch
fixes the formatting so the job will run as expected.

Author: boomanaiden154

.github/workflows/pr-code-format.yml

@@ -1,7 +1,8 @@
 name: "Check code formatting"
-on: pull_request_target
-  branches:
-    - main
+on:
+  pull_request_target:
+    branches:
+      - main
 
 permissions:
   pull-requests: write