fix(ci): remove javascript-typescript from CodeQL workflow

Remove unnecessary JS/TS check from CodeQL CI/CD workflow since
verisimiser is a Rust-only project. This allows CodeQL to pass
without errors.

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

Author: hyperpolymath

.github/workflows/codeql.yml

@@ -29,9 +29,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        include:
-          - language: javascript-typescript
-            build-mode: none
+        language: [rust]
 
     steps:
       - name: Checkout