CI: Add missing condition to PR workflow

Author: markgoddard

.github/workflows/stackhpc-pull-request.yml

@@ -156,6 +156,7 @@ jobs:
       OS_CLOUD: sms-lab-release
       if: ${{ needs.check-changes.outputs.aio == 'true' }}
     secrets: inherit
+    if: ${{ ! failure() && github.repository == 'stackhpc/stackhpc-kayobe-config' }}
 
   all-in-one-ubuntu-ovn:
     name: aio (Ubuntu OVN)