Update tests to run against currently supported Python and Django

.github/workflows/tests.yml

@@ -1,10 +1,22 @@
 name: Tests
-on: [push]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
 jobs:
   test:
     name: Run tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@1.0.0
-      - uses: excitedleigh/setup-nox@v2.0.0
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: |
+            3.10
+            3.11
+            3.12
+            3.13
+            3.14
+      - run: pip install nox
       - run: nox

README.rst

@@ -18,4 +18,4 @@ This means that you can efficiently show a list of all of the model instances th
 .. _django: https://djangoproject.com/
 .. _django-rules: https://github.com/dfunckt/django-rules
 
-Bridgekeeper is tested on Django 3.2, 4.2 and 5.0 on all Python versions Django supports, and is licensed under the MIT License.
+Bridgekeeper is tested on Django 4.2, 5.2, and 6.0 on all supported Python versions, and is licensed under the MIT License.

noxfile.py

@@ -5,14 +5,16 @@
 nox.options.error_on_external_run = True
 
 
-@nox.session(python=("3.8", "3.9", "3.10", "3.11", "3.12"))
-@nox.parametrize("django", ("3.2", "4.2", "5.0"))
+@nox.session(python=("3.10", "3.11", "3.12", "3.13", "3.14"))
+@nox.parametrize("django", ("4.2", "5.2", "6.0"))
 def tests(session, django):
-    if django == "5.0" and session.python in ("3.8", "3.9"):
+    # Django 6.0 requires Python 3.12+
+    if django == "6.0" and session.python in ("3.10", "3.11"):
         session.skip()
+    major, minor = (int(x) for x in django.split("."))
     session.install("poetry")
-    session.install(f"django>={django},<{django}.999")
-    session.install("factory-boy>=2.9.2,<2.9.99999")
+    session.install(f"django>={django},<{major}.{minor + 1}")
+    session.install("factory-boy>=3,<4")
     session.run(
         "poetry",
         "install",
@@ -23,7 +25,7 @@ def tests(session, django):
     session.run("pytest")
 
 
-@nox.session(python="3.8")
+@nox.session(python="3.12")
 def docs(session):
     session.install("poetry")
     session.run(
@@ -42,7 +44,7 @@ def clean_docs(session):
     session.run("rm", "-rf", "docs/_build")
 
 
-@nox.session(python="3.8")
+@nox.session(python="3.12")
 def release_test(session):
     session.install("poetry", "twine")
     session.run(