🌱 Update Github Actions group to 22.04

| datasource     | package | from  | to    |
| -------------- | ------- | ----- | ----- |
| github-runners | ubuntu  | 20.04 | 22.04 |

Author: cluster-stack-bot[bot]

.github/workflows/kubebuilder-markers-checker.yml

@@ -14,7 +14,7 @@ on:
 jobs:
   validation:
     name: check for kubebuilder markers
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
 

.github/workflows/schedule-cache-cleaner-cso-image.yml

@@ -11,7 +11,7 @@ concurrency:
   cancel-in-progress: true
 jobs:
   cache-cleaner:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       # Load Golang cache build from GitHub
       - name: Load cso Golang cache build from GitHub