Use Ubuntu 22.04 to run tests

Author: thomaskrause

.github/workflows/deploy.yml

@@ -4,7 +4,7 @@ on: push
 jobs:
   deploy:
     name: Deploy graphANNIS package
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
     # Only run Job on tagged commits that start with "v"
     if: startsWith(github.ref, 'refs/tags/v')
     steps:

.github/workflows/test.yml

@@ -4,7 +4,7 @@ on: push
 jobs:
   test:
     name: Execute all automated tests
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
     steps:
     - name: Setup Python
       uses: actions/setup-python@v2