Merge pull request #1456 from sanders41/renovate/mkdocs-material-9.x

Update dependency mkdocs-material to v9.6.21

Author: sanders41

pyproject.toml

@@ -41,7 +41,7 @@ all = ["orjson", "ujson"]
 [dependency-groups]
 dev = [
   "mkdocs==1.6.1",
-  "mkdocs-material==9.6.20",
+  "mkdocs-material==9.6.21",
   "mkdocstrings[python]==0.30.1",
   "mypy[faster-cache]==1.18.2",
   "pre-commit==4.3.0",