remove pin and fix

Author: sentrivana

docs/conf.py

@@ -8,6 +8,8 @@
 import sphinx.builders.latex
 import sphinx.builders.texinfo
 import sphinx.builders.text
+import sphinx.domains.c  # noqa: F401
+import sphinx.domains.cpp  # noqa: F401
 import sphinx.ext.autodoc  # noqa: F401
 import urllib3.exceptions  # noqa: F401
 

requirements-docs.txt

@@ -1,5 +1,5 @@
 gevent
 shibuya
-sphinx==8.1.3
+sphinx
 sphinx-autodoc-typehints[type_comments]>=1.8.0
 typing-extensions