Fix indentation for Python version in pyproject.toml

Author: hallvictoria

pyproject.toml

@@ -15,7 +15,7 @@ classifiers = [
     'Intended Audience :: Developers',
     'Programming Language :: Python :: 3',
     'Programming Language :: Python :: 3.13',
-'Programming Language :: Python :: 3.14',
+    'Programming Language :: Python :: 3.14',
     'Operating System :: Microsoft :: Windows',
     'Operating System :: POSIX',
     'Operating System :: MacOS :: MacOS X',