pin checkout to 6.0.1 sha in codeql.yml

Signed-off-by: Cary Phillips <[email protected]>

Author: cary-ilm

.github/workflows/codeql.yml

@@ -58,7 +58,7 @@ jobs:
         # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
     - name: Checkout repository
-      uses: actions/[email protected]
+      uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL