Merge pull request #86 from alexisthual/maint/drop-python38

Drop python 3.8 from CI

Author: pbarbarant

.github/workflows/unit_tests.yml

@@ -15,8 +15,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: ubuntu-latest
-            version_python: "3.8"
           - os: ubuntu-latest
             version_python: "3.9"
           - os: ubuntu-latest