chore: add python 3.14 support, remove old license classifier

Author: slhck

pyproject.toml

@@ -19,14 +19,14 @@ classifiers = [
     "Topic :: Multimedia :: Sound/Audio",
     "Topic :: Multimedia :: Sound/Audio :: Analysis",
     "Topic :: Multimedia :: Sound/Audio :: Conversion",
-    "License :: OSI Approved :: MIT License",
     "Natural Language :: English",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 requires-python = ">=3.9"
 dependencies = [