Merge pull request #1192 from CoffeaTeam/drop-python-3.8

ci: stop testing against python 3.8 (completely out of support now)

Author: lgray

Diff for: .cirrus.yml

@@ -11,7 +11,7 @@ task:
         cpu: 2
         memory: 7G
         matrix:
-          - image: python:3.8
+          - image: python:3.9
           - image: python:3.12
 
       create_venv_script: |