Drop support for end of life Django releases

.github/ISSUE_TEMPLATE/bug_report.md

@@ -26,10 +26,10 @@ If applicable, add screenshots (errors, example of the behavior, etc.) to help e
 ## Versions
 
 ### Django-dbbackup
-- pypi: [e.g. 3.3.0]
+- pypi: [e.g. 4.1.0]
 
 ### External tools
 
-- Python: [e.g. 3.7]
-- Django: [e.g. 2.2.0]
+- Python: [e.g. 3.8]
+- Django: [e.g. 4.2.0]
 - OS: [Linux, MacOS, Windows]

docs/index.rst

@@ -42,7 +42,7 @@ Compatibility
 
 As we want to ensure a lot of platforms will be able to save data before
 upgrading, Django-DBBackup supports PyPy, 3.2 to 3.5 and Django
-greater than 2.2
+greater than 3.2.
 
 Other Resources
 ===============

requirements.txt

@@ -1,2 +1,2 @@
-django>=2.2
+django>=3.2
 pytz

setup.py

@@ -48,10 +48,7 @@ def get_test_requirements():
         "Development Status :: 4 - Beta",
         "Environment :: Web Environment",
         "Environment :: Console",
-        "Framework :: Django :: 2.2",
         "Framework :: Django :: 3.2",
-        "Framework :: Django :: 4.0",
-        "Framework :: Django :: 4.1",
         "Framework :: Django :: 4.2",
         "Framework :: Django :: 5.0",
         "Intended Audience :: Developers",

tox.ini

@@ -1,16 +1,13 @@
 [tox]
-envlist = py{37,38,39}-django22,py{37,38,39,310,311,312}-django{32,40,41,42,50,master},lint,docs,functional
+envlist = py{37,38,39,310,311,312}-django{32,42,50,master},lint,docs,functional
 
 [testenv]
 passenv = *
 setenv =
     PYTHONDONTWRITEBYTECODE=1
 deps =
     -rrequirements/tests.txt
-    django22: django>=2.2,<2.3
     django32: django>=3.2,<3.3
-    django40: django>=4.0,<4.1
-    django41: django>=4.1,<4.2
     django42: django>=4.2,<4.3
     django50: django>=5.0,<5.1
     djangomaster: https://github.com/django/django/archive/master.zip
@@ -19,11 +16,11 @@ commands = {posargs:coverage run runtests.py}
 # Configure which test environments are run for each Github Actions Python version.
 [gh-actions]
 python =
-    3.7: py37-django{22,32},functional
-    3.8: py38-django{22,32,40,41,42},functional
-    3.9: py39-django{22,32,40,41,42},functional
-    3.10: py310-django{22,32,40,41,42,50},functional
-    3.11: py311-django{40,41,42,50},functional
+    3.7: py37-django{32},functional
+    3.8: py38-django{32,42},functional
+    3.9: py39-django{32,42},functional
+    3.10: py310-django{32,42,50},functional
+    3.11: py311-django{42,50},functional
     3.12: py312-django{42,50},functional
 
 [testenv:lint]