Switch the codeql bundle to 2.21.4

Author: jeongsoolee09

.github/workflows/code_scanning.yml

@@ -48,7 +48,7 @@ jobs:
         config-file: ./.github/codeql/codeql-config.yaml
         db-location: ${{ runner.temp }}/codeql-database
         # tools: https://github.com/github/codeql-action/releases/download/${{env.BUNDLE_VERSION}}/codeql-bundle-linux64.tar.gz
-        tools: https://github.com/github/codeql-action/releases/download/codeql-bundle-v2.21.3/codeql-bundle-linux64.tar.gz
+        tools: https://github.com/github/codeql-action/releases/download/codeql-bundle-v2.21.4/codeql-bundle-linux64.tar.gz
         debug: true
 
     - name: Run CDS extractor