Remove support for Python 3.8

Author: Tenzer

.pre-commit-config.yaml

@@ -3,5 +3,5 @@ repos:
     rev: 19.3b0
     hooks:
       - id: black
-        language_version: python3.8
+        language_version: python3.9
         exclude_types: ['markdown', 'ini', 'toml', 'rst']

setup.py

@@ -84,15 +84,14 @@ def read_requirements(req="base.txt"):
         "Intended Audience :: Developers",
         "Natural Language :: English",
         "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",
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",
     ],
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     ext_modules=get_runtime_client_extension(),
     test_suite="tests",
 )