ci: test Python 3.13 and 3.14.0-alpha - 3.14

Also stop testing Python 3.8 as it is End-of-Life as of 2024-10-07.
https://devguide.python.org/versions/

Author: JohnVillalovos

.github/workflows/test-suite.yml

@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14.0-alpha - 3.14"]
 
     steps:
       - uses: "actions/checkout@v4"