Rename HEAD branch

Author: codingjoe

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ name: CI
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
 
 jobs:

docs/conf.py

@@ -30,7 +30,7 @@ def linkcode_resolve(domain, info):
     """Link source code to GitHub."""
     project = "joeflow"
     github_user = "codingjoe"
-    head = "master"
+    head = "main"
 
     if domain != "py" or not info["module"]:
         return None