Merge pull request #53 from PHPCompatibility/feature/ghactions-set-minimal-permissions

GH Actions: set permissions for each workflow/job

Author: jrfnl

.github/workflows/ci.yml

@@ -12,6 +12,8 @@ on:
   # Allow manually triggering the workflow.
   workflow_dispatch:
 
+permissions: {}
+
 jobs:
   xmllint:
     # Don't run the cron job on forks.