chore: update metadata (#464)

Update the package metadata to match the Python range.

Author: JP-Ellis

pyproject.toml

@@ -14,11 +14,10 @@ classifiers = [
     "Intended Audience :: Information Technology",
     "Intended Audience :: Developers",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
-    "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",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Operating System :: Microsoft :: Windows",
     "Operating System :: POSIX",