chore(components): Drop support for Python 3.7 in GCPC

PiperOrigin-RevId: 627783390

Author: Googler

components/google-cloud/setup.py

@@ -104,7 +104,6 @@
         "Intended Audience :: Science/Research",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",