No longer test with unsupported python

Author: bluebird75

.github/workflows/ci.yml

@@ -19,11 +19,11 @@ jobs:
       matrix:
         include:
           # oldest version of pyhon / mypy which works
-          - python-version: "3.7"
-            mypy-version: "0.900"
+          - python-version: "3.9"
+            mypy-version: "1.1.1"
 
           # latest version of everything
-          - python-version: "3.10"
+          - python-version: "3.12"
             mypy-version: "1.1.1"
 
     steps: