Remove test for Python versions 3.8, 3.9.

A future version of the library will require 3.10 at minimum.

Author: TKIPisalegacycipher

.github/workflows/test-library.yml

@@ -38,7 +38,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v3