ci: update ubuntu image to 22.04

updating ubuntu image to 22.04 from 20.04 which is used in ci test

Signed-off-by: subhamkrai <srai@redhat.com>
(cherry picked from commit 11ce20feaf)
Signed-off-by: subhamkrai <srai@redhat.com>

.github/workflows/codegen.yml

@@ -26,7 +26,7 @@ permissions:
 
 jobs:
   codegen:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: "!contains(github.event.pull_request.labels.*.name, 'skip-ci')"
     steps:
       - name: checkout