chore(security): scan Kotlin files.

Author: afranken

.github/workflows/codeql.yml

@@ -37,8 +37,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [ 'java' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+        language: [ 'java', 'Kotlin' ]
         # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
 
     steps: