[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

setup.cfg

@@ -17,8 +17,6 @@ classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
 download_url = https://github.com/ianhi/mpl-playback
 keywords = matplotlib, gif
 project_urls =
@@ -35,9 +33,9 @@ python_requires = >=3.8
 docs =
     Sphinx>=1.5
     furo
-    myst_nb
+    myst-nb
     sphinx-copybutton
-    sphinx_gallery
+    sphinx-gallery
 
 [options.package_data]
 * = *.pyi, py.typed