Update workflow to use latest Ubuntu (#2165)

Signed-off-by: Tejaswini Chadaga <tchadaga@microsoft.com>

Author: tjchadaga

.github/workflows/codeql-analysis.yml

@@ -16,7 +16,7 @@ on:
 jobs:
   analyze:
     name: Analyze
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     permissions:
       actions: read
       contents: read