Merge pull request #49 from sifive/drop-unsupported-python-versions-from-ci

Drop unsupported Python versions from CI; add new stable versions.

Author: richardxia

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
       - uses: actions/checkout@v1