CI: Don't run cron for forks (pandas-dev#53129)

Don't run cron for forks

Author: hugovk

.github/workflows/codeql.yml

@@ -18,6 +18,7 @@ jobs:
       actions: read
       contents: read
       security-events: write
+    if: github.repository_owner == 'pandas-dev'
 
     strategy:
       fail-fast: false

.github/workflows/stale-pr.yml

@@ -11,6 +11,7 @@ jobs:
   stale:
     permissions:
       pull-requests: write
+    if: github.repository_owner == 'pandas-dev'
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/stale@v8

.github/workflows/wheels.yml

@@ -40,7 +40,7 @@ jobs:
   build_wheels:
     name: Build wheel for ${{ matrix.python[0] }}-${{ matrix.buildplat[1] }}
     if: >-
-      github.event_name == 'schedule' ||
+      (github.event_name == 'schedule' && github.repository_owner == 'pandas-dev') ||
       github.event_name == 'workflow_dispatch' ||
       (github.event_name == 'pull_request' &&
       contains(github.event.pull_request.labels.*.name, 'Build')) ||