Bump codeql-action to v4

v3 is slated for deprecation in December 2026.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Author: derek73

.github/workflows/codeql.yml

@@ -22,12 +22,12 @@ jobs:
     - uses: actions/checkout@v7
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@v4
       with:
         languages: python
         config-file: ./.github/codeql/codeql-config.yml
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@v4
       with:
         category: "/language:python"