Update dependency ubuntu to v22 (#18)

Author: renovate[bot]

.github/workflows/deploy_doc.yml

@@ -10,7 +10,7 @@ name: Deploy dokumentation
 
 jobs:
   deploy_doc:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - name: Deploy