Bump cssnano from 4.1.11 to 5.1.14#1984

dependabot[bot] wants to merge 1 commit intomasterzunda/mastodon:masterfrom

dependabot/npm_and_yarn/cssnano-5.1.14zunda/mastodon:dependabot/npm_and_yarn/cssnano-5.1.14Copy head branch name to clipboard