chore: expand workflow to prs

Author: GangGreenTemperTatum

.github/workflows/issue-triage.yml renamed to .github/workflows/owasp-workflow-triage.yml

@@ -1,8 +1,16 @@
-name: Ads - Triage OWASP Top 10 LLM Apps Issues
+name: Ads - Triage OWASP Top 10 LLM Apps Issues and PRs
 
 on:
   issues:
-    types: [opened, labeled, reopened]
+    types:
+      - opened
+      - labeled
+      - reopened
+  pull_request:
+    types:
+      - opened
+      - labeled
+      - reopened
 
 env:
   BOARD_NAME: "OWASP Top 10 for LLM Applications"