codeql: change build working dir

.github/workflows/codeql-analysis.yml

@@ -51,6 +51,7 @@ jobs:
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
       uses: github/codeql-action/autobuild@v1
+      working-directory: ./examples/detox
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl