Upgrade doc after dropping python 3.8

Author: Pierre-Sassoulas

CONTRIBUTING.rst

@@ -270,7 +270,7 @@ Here is a simple overview, with pytest-specific bits:
 
 #. Run all the tests
 
-   You need to have Python 3.8 or later available in your system.  Now
+   You need to have Python 3.9 or later available in your system.  Now
    running tests is as simple as issuing this command::
 
     $ tox -e linting,py39

README.rst

@@ -97,7 +97,7 @@ Features
 - Can run `unittest <https://docs.pytest.org/en/stable/how-to/unittest.html>`_ (or trial)
   test suites out of the box
 
-- Python 3.8+ or PyPy3
+- Python 3.9+ or PyPy3
 
 - Rich plugin architecture, with over 1300+ `external plugins <https://docs.pytest.org/en/latest/reference/plugin_list.html>`_ and thriving community
 

changelog/12874.breaking.rst

@@ -0,0 +1 @@
+We dropped support for python 3.8 following its end of life (2024-10-07)

doc/en/backwards-compatibility.rst

@@ -83,6 +83,7 @@ Released pytest versions support all Python versions that are actively maintaine
 ==============  ===================
 pytest version  min. Python version
 ==============  ===================
+8.4+            3.9+
 8.0+            3.8+
 7.1+            3.7+
 6.2 - 7.0       3.6+

pyproject.toml

@@ -23,7 +23,7 @@ authors = [
     { name = "Florian Bruhin" },
     { name = "Others (See AUTHORS)" },
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
     "Development Status :: 6 - Mature",
     "Intended Audience :: Developers",
@@ -33,7 +33,6 @@ classifiers = [
     "Operating System :: POSIX",
     "Operating System :: Unix",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",

tox.ini

@@ -58,7 +58,7 @@ setenv =
     PYTHONWARNDEFAULTENCODING=1
 
     # Configuration to run with coverage similar to CI, e.g.
-    # "tox -e py38-coverage".
+    # "tox -e py39-coverage".
     coverage: _PYTEST_TOX_COVERAGE_RUN=coverage run -m
     coverage: _PYTEST_TOX_EXTRA_DEP=coverage-enable-subprocess
     coverage: COVERAGE_FILE={toxinidir}/.coverage