Deprecate Python 3.8 support

Author: nateprewitt

.changes/next-release/feature-Python-64714.json

@@ -0,0 +1,5 @@
+{
+  "type": "feature",
+  "category": "Python",
+  "description": "End of support for Python 3.8"
+}

.github/workflows/run-crt-test.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [ubuntu-latest, macOS-latest, windows-latest]
 
     steps:

.github/workflows/run-tests.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [ubuntu-latest, macOS-latest, windows-latest]
 
     steps:

pyproject.toml

@@ -37,7 +37,7 @@ exclude = [
 line-length = 79
 indent-width = 4
 
-target-version = "py38"
+target-version = "py39"
 
 [tool.ruff.lint]
 # Enable Pyflakes (`F`) and a subset of the pycodestyle (`E`)  codes by default.

requirements-dev-lock.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.8
+# This file is autogenerated by pip-compile with Python 3.9
 # by the following command:
 #
 #    pip-compile --allow-unsafe --generate-hashes --output-file=requirements-dev-lock.txt requirements-dev.txt

setup.py

@@ -33,7 +33,7 @@ def get_version():
         'crt': 'botocore[crt]>=1.37.4,<2.0a.0',
     },
     license="Apache License 2.0",
-    python_requires=">= 3.8",
+    python_requires=">= 3.9",
     classifiers=[
         'Development Status :: 3 - Alpha',
         'Intended Audience :: Developers',
@@ -42,7 +42,6 @@ def get_version():
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
         '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

@@ -1,5 +1,5 @@
 [tox]
-envlist = py38,py39,py310,py311,py312,py313
+envlist = py39,py310,py311,py312,py313
 
 # Comment to build sdist and install into virtualenv
 # This is helpful to test installation but takes extra time