👷 Change build mode for C/C++ in CodeQL workflow

.github/workflows/codeql.yml

@@ -46,7 +46,7 @@ jobs:
         - language: actions
           build-mode: none
         - language: c-cpp
-          build-mode: autobuild
+          build-mode: none
         - language: go
           build-mode: autobuild
         - language: javascript-typescript