🔧 fix: add missing sig_approval.yml to workflow triggers

- Include sig_approval.yml in test automation trigger paths
- Ensures CI runs when SIG approval workflow is modified
- Matches the pattern of other workflow files being monitored

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: kenibrewer

.github/workflows/test-approval-automation.yml

@@ -7,13 +7,15 @@ on:
       - ".github/workflows/lib/**"
       - ".github/workflows/pipeline_proposals.yml"
       - ".github/workflows/rfc_approval.yml"
+      - ".github/workflows/sig_approval.yml"
       - ".github/workflows/test-approval-automation.yml"
   push:
     branches: [main, master]
     paths:
       - ".github/workflows/lib/**"
       - ".github/workflows/pipeline_proposals.yml"
       - ".github/workflows/rfc_approval.yml"
+      - ".github/workflows/sig_approval.yml"
       - ".github/workflows/test-approval-automation.yml"
 
 jobs: