Remove Python 3.7

Author: fabaff

pyproject.toml

@@ -19,7 +19,6 @@ classifiers = [
     "Environment :: Console",
     "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",