Remove 3.8 from trove tags, refs #646

Author: simonw

setup.py

@@ -72,7 +72,6 @@ def get_long_description():
         "Intended Audience :: End Users/Desktop",
         "Topic :: Database",
         "License :: OSI Approved :: Apache Software License",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",