chore: update GH action runners

Author: skatsaounis

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   lint:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - name: Repository checkout
       uses: actions/checkout@v3
@@ -29,7 +29,7 @@ jobs:
         tox -e lint
 
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: