fix branch in github settings file

Author: xoxys

.github/settings.yml

@@ -8,7 +8,7 @@ repository:
   has_wiki: false
   has_downloads: true
 
-  default_branch: master
+  default_branch: main
 
   allow_squash_merge: true
   allow_merge_commit: true
@@ -44,7 +44,7 @@ labels:
     description: This will not be worked on
 
 branches:
-  - name: master
+  - name: main
     protection:
       required_pull_request_reviews: null
       required_status_checks: