webdoc: hugo broken after update to Debian/stable

ba/hugo$ hugo server
Start building sites … 
hugo v0.111.3+extended linux/amd64 BuildDate=2023-03-16T08:41:31Z VendorInfo=debian:0.111.3-1
Error: Error building site: "/G/sw/ba/hugo/content/_index.md:17:1": failed to extract shortcode: shortcode "children" must be closed or self-closed
Built in 179 ms

Waiting for enlightenment at https://discourse.gohugo.io/t/what-is-meant-by-closed-or-self-closed/44785/3

added doc formatting wait for dependency! labels

added release-critical label

mentioned in merge request !1686 (merged)

mentioned in commit 5ccb7738

closed with merge request !1686 (merged)