codeql.yml: Use Ubuntu 24.04.

Author: wilx

.github/workflows/codeql.yml

@@ -23,7 +23,7 @@ on:
 jobs:
   analyze:
     name: Analyze
-    runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
+    runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-24.04' }}
     permissions:
       actions: read
       contents: read