Bump mkdocs-material from 9.6.15 to 9.6.16 in the patch group (#188)

Author: Marenz

pyproject.toml

@@ -77,7 +77,7 @@ dev-mkdocs = [
   "mkdocs-literate-nav == 0.6.2",
   "frequenz-api-dispatch == 1.0.0-rc2",
   "mkdocs-macros-plugin == 1.3.7",
-  "mkdocs-material == 9.6.15",
+  "mkdocs-material == 9.6.16",
   "mkdocstrings[python] == 0.30.0",
   "frequenz-repo-config[lib] == 0.13.5",
 ]