GHA/codeql: limit cron job to the origin repository (#228)

To avoid running it in every fork, every week.

Author: vszakats

.github/workflows/codeql.yml

@@ -18,6 +18,7 @@ permissions: {}
 
 jobs:
   gha_python:
+    if: ${{ github.repository_owner == 'curl' || github.event_name != 'schedule' }}
     name: 'GHA and Python'
     runs-on: ubuntu-latest
     permissions: