[ARROW-8550] [CI] Don't run cron GHA jobs on forks

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.0
• Component/s: Continuous Integration
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/24717
• Assignee: Neal Richardson
• Reporter: Neal Richardson
• Created: 21/Apr/20 22:59
• Updated: 11/Jan/23 08:01
• Resolved: 22/Apr/20 01:47

Description

It's wasteful, and I'm tired of seeing them clogging up my Actions tab and notifications.