Update Python version requirements in configuration files to 3.10, removing 3.8 and 3.9 references.

Author: cgevans

.github/workflows/python-package.yml

@@ -33,7 +33,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v4

.github/workflows/python-publish.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: '3.9'
+        python-version: '3.10'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

pyproject.toml

@@ -36,8 +36,6 @@ authors = [{name = "Constantine Evans", email="mixes@mb.costi.net"}]
 license = { file = "LICENSE.txt" }
 classifiers = [
     "Development Status :: 4 - Beta",
-    "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",
@@ -88,7 +86,7 @@ where = ["src"]
 target-version = ["py312"]
 
 [tool.mypy]
-python_version = "3.9"
+python_version = "3.10"
 # warn_return_any = true
 warn_unused_configs = true
 ignore_missing_imports = true
@@ -105,7 +103,7 @@ dependencies = [
 name.echo.features = ["echo"]
 
 [[tool.hatch.envs.hatch-test.matrix]]
-python = ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+python = ["3.10", "3.11", "3.12", "3.13"]
 
 [[tool.hatch.envs.hatch-test.matrix]]
 python = ["3.10", "3.11", "3.12", "3.13"]