chore: simplify Python version classifiers

Remove specific version classifiers (3.11, 3.12, 3.13) to match the
pattern used in other example clients. Keep only 3.10 classifier to
indicate minimum version, while requires-python >=3.10 still allows
all versions 3.10+.

Author: felixweinberger

examples/clients/simple-sampling-client/pyproject.toml

@@ -29,9 +29,6 @@ classifiers = [
   "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3 :: Only",
   "Programming Language :: Python :: 3.10",
-  "Programming Language :: Python :: 3.11",
-  "Programming Language :: Python :: 3.12",
-  "Programming Language :: Python :: 3.13",
   "Topic :: Software Development",
   "Topic :: Utilities",
   "Typing :: Typed",