Drop support for Python 3.8

Dropped because it's EOL.

Author: AWhetter

.github/workflows/main.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         # Keep this in sync with tox.ini
-        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"]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:

docs/changes/+c324a920.misc.rst

@@ -0,0 +1 @@
+Drop support for Python 3.8

pyproject.toml

@@ -17,14 +17,13 @@ classifiers = [
     "Natural Language :: English",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
     'astroid>=2.7;python_version<"3.12"',
     'astroid>=3;python_version>="3.12"',

tox.ini

@@ -2,7 +2,7 @@
 isolated_build = true
 envlist =
     # Keep this in sync with .github/workflows/main.yml
-    py{38,39,310,311,312,313}
+    py{39,310,311,312,313}
     format
     typecheck
     lint
@@ -11,12 +11,11 @@ envlist =
 
 [gh-actions]
 python =
-    3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311
-    3.12: py312, format, typecheck, lint, doc, release_notes
-    3.13: py313
+    3.12: py312
+    3.13: py313, format, typecheck, lint, doc, release_notes
 
 [testenv]
 usedevelop = True