Defer declaring Python 3.14 support for now

It probably can handle it, but only if all of the prerequisites are met.
And I don't know if that is possible.

Author: rocky

pyproject.toml

@@ -39,7 +39,6 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
-    "Programming Language :: Python :: 3.14",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     "Topic :: Scientific/Engineering",