Code Scanning: Additionally exclude Java and C++.

Author: tausbn

.github/codeql/codeql-config.yml

@@ -3,5 +3,7 @@ name: "CodeQL config"
 queries:
   - uses: security-and-quality
 
-paths-ignore: 
+paths-ignore:
+  - '/cpp/'
+  - '/java/'
   - '/python/'