Update default branch

Signed-off-by: Ry Jones <[email protected]>

Author: ryjones

.github/settings.yml

@@ -6,7 +6,7 @@ repository:
   name: indy-sdk
   description: indy-sdk
   homepage: https://wiki.hyperledger.org/display/indy
-  default_branch: master 
+  default_branch: main 
   has_downloads: false
   has_issues: true
   has_projects: false