update mkdocs dependencies (kubernetes-sigs#3803)

Author: M00nF1sh

Pipfile

@@ -6,9 +6,9 @@ name = "pypi"
 [packages]
 
 [dev-packages]
-mkdocs = "==1.1.2"
-mkdocs-material = "==7.1.5"
-mike = "==1.0.0"
+mkdocs = "==1.6.0"
+mkdocs-material = "==9.5.31"
+mike = "==2.1.2"
 
 [requires]
-python_version = "3.9"
+python_version = "3.12"