pyproject: drop Python 3.10 classifier (requires-python is >=3.11)

Author: thisiscam

pyproject.toml

@@ -25,7 +25,6 @@ classifiers = [
     "Intended Audience :: Science/Research",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering :: Mathematics",