remove python 3.8 from tests

Author: nsteinmetz

.github/workflows/ci.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu]
-        python: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python: ['3.9', '3.10', '3.11', '3.12']
         redis: ['5']
         include:
           - python: '3.11'
@@ -63,7 +63,9 @@ jobs:
           - python: '3.11'
             redis: '7'
             os: 'ubuntu'
-
+          - python: '3.11'
+            redis: '8'
+            os: 'ubuntu'
     env:
       PYTHON: ${{ matrix.python }}
       OS: ${{ matrix.os }}