chore: update validate.yml (#168)

Author: MichaelDeBoey

.github/workflows/validate.yml

@@ -58,7 +58,7 @@ jobs:
           branches: |
             [
               '+([0-9])?(.{+([0-9]),x}).x',
-              'main',
+              'master',
               'next',
               'next-major',
               {name: 'beta', prerelease: true},