Drop Django3.0 support.

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ['3.6', '3.7', '3.8', '3.9', 'pypy3']
-        django-version: ['2.2', '3.0', '3.1']
+        django-version: ['2.2', '3.1']
         # Tox configuration for QA environment
         include:
           - python-version: '3.8'

CHANGES.rst

@@ -7,6 +7,9 @@ WIP
 
 - Improve message formatting for lockout message and translations.
   [ashokdelphia]
+- Remove support for Django 3.0
+  [hramezani]
+
 
 
 5.13.1 (2021-02-22)

pyproject.toml

@@ -10,7 +10,7 @@ DJANGO_SETTINGS_MODULE = "tests.settings"
 legacy_tox_ini = """
 [tox]
 envlist =
-    py{36,37,38,39,py3}-dj{22,30,31}
+    py{36,37,38,39,py3}-dj{22,31}
     py{38,39}-djmain
     py38-djqa
 
@@ -25,7 +25,6 @@ python =
 [gh-actions:env]
 DJANGO =
     2.2: dj22
-    3.0: dj30
     3.1: dj31
     main: djmain
     qa: djqa
@@ -35,7 +34,6 @@ DJANGO =
 deps =
     -r requirements-test.txt
     dj22: django>=2.2,<2.3
-    dj30: django>=3.0,<3.1
     dj31: django>=3.1,<3.2
     djmain: https://github.com/django/django/archive/main.tar.gz
 usedevelop = true

setup.py

@@ -45,7 +45,6 @@ setup(
         "Environment :: Plugins",
         "Framework :: Django",
         "Framework :: Django :: 2.2",
-        "Framework :: Django :: 3.0",
         "Framework :: Django :: 3.1",
         "Intended Audience :: Developers",
         "Intended Audience :: System Administrators",