ci/cd: drop 3.8

Author: Void-ux

.github/workflows/build.yaml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest, windows-latest, macos-latest ]
-        python-version: [ '3.8', '3.9', '3.10', '3.11' ]
+        python-version: [ '3.9', '3.10', '3.11', '3.12' ]
     defaults:
       run:
         shell: bash