Update pr-auto-label.yml

Signed-off-by: Matty Widdop <18513864+MattyTheHacker@users.noreply.github.com>

Author: MattyTheHacker

.github/workflows/pr-auto-label.yml

@@ -7,6 +7,7 @@ on:
 
 jobs:
   labeler:
+    if: github.event.pull_request.user.type != 'Bot'
     permissions:
       pull-requests: write