split tox config (#451)

Author: dulmandakh

pyproject.toml

@@ -12,46 +12,3 @@ target-version = "py38"
 [tool.ruff.lint]
 select = ["B", "C4", "E", "F", "I", "T10", "YTT", "W"]
 
-[tool.tox]
-legacy_tox_ini = """
-[tox]
-min_version = 4.4
-envlist =
-    {py38,py39,py310,py311,py312}-django420-{end2end,unittests}
-    {py310,py311,py312}-django{500,510}-{end2end,unittests}
-    py39-lint
-
-[gh-actions]
-python =
-    3.8: py38
-    3.9: py39, py39-lint
-    3.10: py310
-    3.11: py311
-    3.12: py312
-
-[testenv]
-deps =
-    django420: Django>=4.2,<4.3
-    django500: Django>=5.0,<5.1
-    django510: Django>=5.1,<5.2
-    coverage
-    -rrequirements.txt
-skip_missing_interpreters=true
-
-changedir =
-    end2end: {toxinidir}/django_prometheus/tests/end2end
-setenv =
-    end2end: PYTHONPATH = {toxinidir}
-    end2end: DJANGO_SETTINGS_MODULE=testapp.settings
-commands =
-    end2end: coverage run --source=django_prometheus -m pytest testapp/
-    unittests: coverage run --source=django_prometheus setup.py test
-    unittests: python setup.py sdist bdist_wheel
-
-[testenv:py39-lint]
-deps =
-    ruff==0.8.2
-commands =
-    ruff format --check django_prometheus/
-    ruff check django_prometheus/
-"""

tox.ini

@@ -0,0 +1,40 @@
+[tox]
+min_version = 4.4
+envlist =
+    {py38,py39,py310,py311,py312}-django420-{end2end,unittests}
+    {py310,py311,py312}-django{500,510}-{end2end,unittests}
+    py39-lint
+
+[gh-actions]
+python =
+    3.8: py38
+    3.9: py39, py39-lint
+    3.10: py310
+    3.11: py311
+    3.12: py312
+
+[testenv]
+deps =
+    django420: Django>=4.2,<4.3
+    django500: Django>=5.0,<5.1
+    django510: Django>=5.1,<5.2
+    coverage
+    -rrequirements.txt
+skip_missing_interpreters=true
+
+changedir =
+    end2end: {toxinidir}/django_prometheus/tests/end2end
+setenv =
+    end2end: PYTHONPATH = {toxinidir}
+    end2end: DJANGO_SETTINGS_MODULE=testapp.settings
+commands =
+    end2end: coverage run --source=django_prometheus -m pytest testapp/
+    unittests: coverage run --source=django_prometheus setup.py test
+    unittests: python setup.py sdist bdist_wheel
+
+[testenv:py39-lint]
+deps =
+    ruff==0.8.2
+commands =
+    ruff format --check django_prometheus/
+    ruff check django_prometheus/