NPM: Bump the npm-dependencies group with 4 updates

Bumps the npm-dependencies group with 4 updates: [mermaid](https://github.com/mermaid-js/mermaid), [vega-tooltip](https://github.com/vega/vega-tooltip), [postcss](https://github.com/postcss/postcss) and [stylelint-scss](https://github.com/stylelint-scss/stylelint-scss).


Updates `mermaid` from 11.3.0 to 11.4.0
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Changelog](https://github.com/mermaid-js/mermaid/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/mermaid-js/mermaid/compare/[email protected]@11.4.0)

Updates `vega-tooltip` from 0.35.1 to 0.35.2
- [Release notes](https://github.com/vega/vega-tooltip/releases)
- [Changelog](https://github.com/vega/vega-tooltip/blob/main/CHANGELOG.md)
- [Commits](vega/vega-tooltip@v0.35.1...v0.35.2)

Updates `postcss` from 8.4.48 to 8.4.49
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.48...8.4.49)

Updates `stylelint-scss` from 6.8.1 to 6.9.0
- [Release notes](https://github.com/stylelint-scss/stylelint-scss/releases)
- [Changelog](https://github.com/stylelint-scss/stylelint-scss/blob/master/CHANGELOG.md)
- [Commits](stylelint-scss/stylelint-scss@v6.8.1...v6.9.0)

---
updated-dependencies:
- dependency-name: mermaid
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: npm-dependencies
- dependency-name: vega-tooltip
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
- dependency-name: stylelint-scss
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]