point codeql workflow to develop branch

Author: ptrthomas

.github/workflows/codeql.yml

@@ -13,10 +13,10 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "develop" ]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ "master" ]
+    branches: [ "develop" ]
   schedule:
     - cron: '31 14 * * 4'