Add exclude matrix to tests and don't test py 3.8 (EOL)

Author: mikemanger

.github/workflows/ci.yml

@@ -66,7 +66,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
@@ -76,6 +75,13 @@ jobs:
           - "4.2"
           - "5.0"
           - "5.1"
+        exclude:
+          - django-version: "4.2"
+            python-version: ["3.13"]
+          - django-version: "5.0"
+            python-version: ["3.9", "3.13"]
+          - django-version: "5.1"
+            python-version: ["3.9"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4