fix: remove push trigger from continue-general-review workflow

Removed the `push` trigger to `main` branch as this workflow is
specifically for PR reviews and should only run on pull_request
and issue_comment events.

Generated with [Continue](https://continue.dev)

Co-Authored-By: Continue <[email protected]>

Author: bdougie

.github/workflows/continue-general-review.yaml

@@ -1,9 +1,6 @@
 name: Continue General Review
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
     types: [opened, ready_for_review, synchronize]
   issue_comment: