migrate to main (#3035)

closes #3032

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

.github/workflows/codeql-analysis.yml

@@ -2,10 +2,10 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ master, '*', next, version* ]
+    branches: [ main, '*', next, version* ]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ master ]
+    branches: [ main ]
   schedule:
     - cron: '30 6 * * 5'