Fixes from PR review

Author: Ickerday

pyproject.toml

@@ -11,13 +11,12 @@ name = "splunk-sdk"
 dynamic = ["version"]
 description = "Splunk Software Development Kit for Python"
 readme = "README.md"
-requires-python = ">=3.13.0, <3.14"
+requires-python = ">=3.13"
 license = "Apache-2.0"
 authors = [{ name = "Splunk, Inc.", email = "devinfo@splunk.com" }]
 keywords = ["splunk", "sdk"]
 classifiers = [
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.13",
   "Development Status :: 6 - Mature",
   "Environment :: Other Environment",