Update dependency mkdocs to v1.6.1

Author: renovate[bot]

Pipfile

@@ -10,7 +10,7 @@ jupyterlab-language-pack-fr-FR = "==4.0.post6"
 jupyterlab-webrtc-docprovider = "==0.1.1"
 jupyterlite-core = {extras = ["all"], version = "==0.1.3"}
 jupyterlite-pyodide-kernel = "==0.1.3"
-mkdocs = {version = "==1.5.3", extras = ["i18n"]}
+mkdocs = {version = "==1.6.1", extras = ["i18n"]}
 mkdocs-material = "==9.5.3"
 nbconvert = "==7.16.2"