Bump mkdocs-material from 9.0.13 to 9.1.1#14

dependabot[bot] wants to merge 1 commit intomastermultixscale/multixscale.github.io:masterfrom

dependabot/pip/mkdocs-material-9.1.1multixscale/multixscale.github.io:dependabot/pip/mkdocs-material-9.1.1Copy head branch name to clipboard