Update runner image to ubuntu-22.04 (Jammy) (#224)

See actions/runner-images#11101

Author: nemacysts

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ on:
   release:
 jobs:
   tox:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:

.github/workflows/pypi.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   tox:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
@@ -24,7 +24,7 @@ jobs:
   pypi:
     # lets run tests before we push anything to pypi, much like we do internally
     needs: tox
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2