chore: Update setup.py classifiers (#303)

* chore: Update setup.py classifiers

Update development status and python versions

* chore: Update setup.py classifiers

Update development status and python version classifiers

Author: HKWinterhalter

setup.py

@@ -33,16 +33,15 @@
     author="Google LLC",
     author_email="googleapis-packages@google.com",
     classifiers=[
-        "Development Status :: 3 - Alpha",
+        "Development Status :: 5 - Production/Stable ",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.5",
-        "Programming Language :: Python :: 3.6",
         "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",
     ],
     keywords="functions-framework",
     packages=find_packages(where="src"),