chore: Drop Python 3.6 support

Author: sondrelg

.github/workflows/testing.yml

@@ -39,7 +39,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.6", "3.7", "3.8" , "3.9", "3.10" ]
+        python-version: [ "3.7", "3.8" , "3.9", "3.10" ]
         django-version: [ "2.2", "3.0", "3.1", "3.2" ]
     steps:
       - uses: actions/checkout@v2

.pre-commit-config.yaml

@@ -31,7 +31,7 @@ repos:
     rev: v2.29.1
     hooks:
       - id: pyupgrade
-        args: ["--py36-plus"]
+        args: ["--py36-plus", "--py37-plus"]
   - repo: https://github.com/pycqa/isort
     rev: 5.10.1
     hooks:

pyproject.toml

@@ -20,7 +20,6 @@ classifiers = [
     "Natural Language :: English",
     "Operating System :: OS Independent",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",