Updated flitcore and modernized pyproject toml.

Author: semohr

pyproject.toml

@@ -1,33 +1,37 @@
 [build-system]
-requires = ["flit_core >=2,<4"]
+requires = ["flit_core >=3.11,<4"]
 build-backend = "flit_core.buildapi"
 
-[tool.flit.metadata]
-module = "mediafile"
-author = "Adrian Sampson"
-author-email = "[email protected]"
-home-page = "https://github.com/beetbox/mediafile"
-description-file = "README.rst"
-requires = [
-    "mutagen>=1.46",
-    "filetype>=1.2.0",
+[project]
+name = "mediafile"
+authors = [
+    { name = "Adrian Sampson", email = "[email protected]" },
 ]
-requires-python = ">=3.7"
+readme = "README.rst"
+license = "MIT"
+requires-python = ">=3.9"
+description = "A simple, cross-format library for reading and writing media file metadata."
+dynamic = ["version"]
 classifiers = [
     'Topic :: Multimedia :: Sound/Audio',
-    'License :: OSI Approved :: MIT License',
     'Environment :: Web Environment',
     'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: Implementation :: PyPy',
 ]
-
-[tool.flit.metadata.requires-extra]
-test = [
-    "tox"
+dependencies = [
+    "mutagen>=1.46",
+    "filetype>=1.2.0",
 ]
+
+
+[project.urls]
+Documentation = "https://mediafile.readthedocs.io"
+Source = "https://github.com/beetbox/mediafile"
+
+[project.optional-dependencies]
 dev = [
     "ruff",
     "pytest"