chore: update supported python versions

Author: Yuchen Xiao

pyproject.toml

@@ -16,7 +16,7 @@ maintainers = [
 description = "GUI for batch refinements of multiple PDF datasets"
 keywords = ['diffraction', 'PDF', 'X-ray', 'neutron']
 readme = "README.rst"
-requires-python = ">=3.12, <3.15"
+requires-python = ">=3.11, <3.14"
 classifiers = [
         'Development Status :: 5 - Production/Stable',
         'Environment :: Console',
@@ -27,9 +27,9 @@ classifiers = [
         'Operating System :: Microsoft :: Windows',
         'Operating System :: POSIX',
         'Operating System :: Unix',
+        'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: 3.13',
-        'Programming Language :: Python :: 3.14',
         'Topic :: Scientific/Engineering :: Physics',
         'Topic :: Scientific/Engineering :: Chemistry',
 ]