test actions in codeql (#4802)

.github/workflows/codeql.yml

@@ -47,6 +47,8 @@ jobs:
             build-mode: none
           - language: python
             build-mode: none
+          - language: actions
+            build-mode: none
         # CodeQL supports the following values keywords for 'language': 'c-cpp', 'csharp', 'go', 'java-kotlin', 'javascript-typescript', 'python', 'ruby', 'swift'
         # Use `c-cpp` to analyze code written in C, C++ or both
         # Use 'java-kotlin' to analyze code written in Java, Kotlin or both