remove python 3.6

Python 3.6 is deprecated so we will remove support for that.

Signed-off-by: Heiko Thiery <[email protected]>

Author: hthiery

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "pypy3.9"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "pypy3.9"]
 
     steps:
       - uses: actions/checkout@v3

setup.py

@@ -55,7 +55,6 @@ def git_pep440_version():
           'Natural Language :: English',
           'Operating System :: OS Independent',
           'Programming Language :: Python :: 3',
-          'Programming Language :: Python :: 3.6',
           'Programming Language :: Python :: 3.7',
           'Programming Language :: Python :: 3.8',
           'Programming Language :: Python :: 3.9',