Drop support for Django 4.2

pyproject.toml

@@ -11,7 +11,8 @@ requires-python = ">=3.10"
 license = {text = "GPL-3.0-or-later"}
 classifiers = [
     "Framework :: Django",
-    "Framework :: Django :: 4.2",
+    "Framework :: Django :: 5.0",
+    "Framework :: Django :: 5.1",
     "Intended Audience :: Information Technology",
     "Intended Audience :: System Administrators",
     "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
@@ -23,7 +24,7 @@ classifiers = [
     "Topic :: System :: Monitoring",
 ]
 dependencies = [
-    "Django>=4.2.16,<5.2",
+    "Django>=5.0.9,<5.2",
     "dj-database-url>=0.5.0",
     "django-cors-headers>=3.2",
     "django-filter",

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
     clean
-    py{310,311,312}-django{42,50,51}
+    py{310,311,312}-django{50,51}
     py313-django51
     coverage-html
 skipsdist = True
@@ -53,10 +53,9 @@ setenv =
     PIP_CONSTRAINT=constraints.txt
 
 commands =
-    pip-compile --resolver backtracking --output-file requirements-django42.txt {posargs} pyproject.toml requirements/django42.txt constraints.txt
     pip-compile --resolver backtracking --output-file requirements-django50.txt {posargs} pyproject.toml requirements/django50.txt constraints.txt
     pip-compile --resolver backtracking --output-file requirements-django51.txt {posargs} pyproject.toml requirements/django51.txt constraints.txt
-    cp requirements-django42.txt requirements.txt
+    cp requirements-django51.txt requirements.txt
 
 [testenv:coverage-xml]
 deps =
@@ -81,7 +80,6 @@ setenv =
     LANG=C.UTF-8
     PYTHONPATH = {toxinidir}/src
     PYTHONWARNINGS=once::DeprecationWarning
-    django42: DJANGO_VER=42
     django50: DJANGO_VER=50
     django51: DJANGO_VER=51