[skip ci] froze sphinx version

tclose · tclose · commit 9a28917f4036 · 2023-08-04T16:38:49.000+10:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -59,7 +59,7 @@ dev = [
 ]
 doc = [
     "packaging",
-    "sphinx >=2.1.2",
+    "sphinx ==7.1.1",
     "sphinx_rtd_theme",
     "sphinxcontrib-apidoc ~=0.3.0",
     "sphinxcontrib-versioning",
