Docs: Fix more short underlines

Author: adityasharad

docs/codeql/codeql-language-guides/codeql-for-actions.rst

@@ -2,7 +2,7 @@
 .. _codeql-for-actions:
 
 CodeQL for GitHub Actions
-===============
+=========================
 
 Experiment and learn how to write effective and efficient queries for CodeQL databases generated from GitHub Actions code.
 

docs/codeql/codeql-language-guides/codeql-library-for-actions.rst

@@ -101,7 +101,7 @@ to all AST classes:
 
 
 Workflows
-~~~~~~~
+~~~~~~~~~
 
 A workflow is a configurable automated process made up of one or more jobs,
 defined in a workflow YAML file in the `.github/workflows` directory of a GitHub repository.