Update igwn-mkdocs-material-theme
Update igwn-mkdocs-material-theme
submodule to include https://git.ligo.org/computing/igwn-mkdocs-material-theme/-/merge_requests/1.
Update igwn-mkdocs-material-theme
submodule to include https://git.ligo.org/computing/igwn-mkdocs-material-theme/-/merge_requests/1.