Too old. Should we push Dockerfile image version too?

Author: vkirkl

.github/workflows/testing.yml

@@ -8,15 +8,15 @@ on: push
 jobs:
   test:
     # Use the same Python version used the Dockerfile
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
         # match ubuntu-20.04
-        python-version: [3.8]
+        python-version: [3.10]
 
     env:
-      OS: ubuntu-20.04
+      OS: ubuntu-22.04
       PYTHON: ${{ matrix.python-version }}
       WIC_BATCH_SIZE: 16