chore: add support for python 3.14 and remove for 3.11 (#174)

Author: stevenhua0320

news/python-3.14.rst

@@ -0,0 +1,23 @@
+**Added:**
+
+* Support for Python 3.14
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* Support for Python 3.11
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>

pyproject.toml

@@ -15,7 +15,7 @@ maintainers = [
 description = "Peak extraction and peak fitting tool for atomic pair distribution functions."
 keywords = ['peak extraction', 'fitting', 'PDF', 'AIC', 'multimodeling']
 readme = "README.rst"
-requires-python = ">=3.11, <3.14"
+requires-python = ">=3.12, <3.15"
 classifiers = [
         'Development Status :: 3 - Alpha',
         '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',
         'Topic :: Software Development :: Libraries',