[stable31] chore(deps-dev): bump stylelint from 16.20.0 to 16.21.0#53629

dependabot[bot] merged 2 commits intostable31nextcloud/server:stable31from

dependabot/npm_and_yarn/stable31/stylelint-16.21.0nextcloud/server:dependabot/npm_and_yarn/stable31/stylelint-16.21.0Copy head branch name to clipboard