Update Action.yml for branch rename

Author: BrandonStalnaker

.github/workflows/actions.yml

@@ -4,10 +4,10 @@ name: CI
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
   schedule:
     # * is a special character in YAML so you have to quote this string
     - cron:  '*/1440 * * * *'