Bump sphinx from 8.2.0 to 8.2.1

Author: merger-application[bot]

Pipfile

@@ -13,5 +13,5 @@ pytest-cov = "==6.0.0"
 mypy = "==1.15.0"
 black = "==25.1.0"
 tbump = "==6.11.0"
-sphinx = {version = "==8.2.0", markers="python_version >= '3.12'"}
+sphinx = {version = "==8.2.1", markers="python_version >= '3.12'"}
 ruff = "==0.9.7"