Update test.yaml

Author: florianingelfinger

.github/workflows/test.yaml

@@ -24,7 +24,7 @@ jobs:
       matrix:
         include:
           - os: ubuntu-latest
-            python: "3.9"
+            python: "3.10"
           - os: ubuntu-latest
             python: "3.11"
           - os: ubuntu-latest