adding main python versions from 3.8.1 to ci

This helps to make sure this range of python versions keeps working and
if some version breaks, we can see why right away.

Author: Andre Portela

.github/workflows/build.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.11", "3.12"]
+        python-version: ["3.8.1", "3.9", "3.10", "3.11", "3.12"]
     steps:
     - uses: actions/checkout@v4