Newer versions of sphinx work with nbsphinx

We had temporarily limited the sphinx version due to compatibility issues
with nbsphinx. These issues have been addressed upstream, so we can return
to using the most recent version.

See: spatialaudio/nbsphinx#825 (comment)

Author: ethanwhite

dev_requirements.txt

@@ -31,7 +31,7 @@ recommonmark
 rtree
 safetensors
 slidingwindow
-sphinx<8.2.0
+sphinx
 sphinx_markdown_tables
 sphinx_rtd_theme
 sphinx-design

pyproject.toml

@@ -64,7 +64,7 @@ dependencies = [
     "scipy>1.5",
     "six",
     "slidingwindow",
-    "sphinx<8.2.0",
+    "sphinx",
     "supervision",
     "torch",
     "torchvision>=0.13",