Update pyproject.toml: drop Python 3.8/3.9 support

Author: jensens

pyproject.toml

@@ -6,7 +6,7 @@ keywords = ["pip", "vcs", "git", "development"]
 authors = [
   {name = "MX Stack Developers", email = "[email protected]" }
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 license = { text = "BSD 2-Clause License" }
 classifiers = [
     "Development Status :: 5 - Production/Stable",
@@ -15,8 +15,6 @@ classifiers = [
     "License :: OSI Approved :: BSD License",
     "Operating System :: OS Independent",
     "Programming Language :: Python",
-    "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",
@@ -173,7 +171,7 @@ directory = "htmlcov"
 
 [tool.tox]
 requires = ["tox>=4", "tox-uv>=1"]
-env_list = ["lint", "py38", "py39", "py310", "py311", "py312", "py313", "py314"]
+env_list = ["lint", "py310", "py311", "py312", "py313", "py314"]
 
 [tool.tox.env_run_base]
 description = "Run tests with pytest and coverage"