fix(ci): trim CodeQL matrix to valid languages

Remove javascript-typescript and actions from CodeQL matrix — this
repo contains only Go and Python. Invalid languages blocked SARIF
upload and prevented merge.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.github/workflows/codeql.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [go, javascript-typescript, python, actions]
+        language: [go, python]
 
     steps:
       - name: Checkout