* Bump the npm_and_yarn group across 1 directory with 4 updates

Bumps the npm_and_yarn group with 4 updates in the / directory: [brace-expansion](https://github.com/juliangruber/brace-expansion), [js-yaml](https://github.com/nodeca/js-yaml), [mermaid](https://github.com/mermaid-js/mermaid) and [webpack-dev-server](https://github.com/webpack/webpack-dev-server).


Updates `brace-expansion` from 1.1.11 to 1.1.12
- [Release notes](https://github.com/juliangruber/brace-expansion/releases)
- [Commits](juliangruber/brace-expansion@1.1.11...v1.1.12)

Updates `js-yaml` from 3.14.1 to 3.14.2
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@3.14.1...3.14.2)

Updates `mermaid` from 11.4.1 to 11.12.1
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Commits](https://github.com/mermaid-js/mermaid/compare/mermaid@11.4.1...mermaid@11.12.1)

Updates `webpack-dev-server` from 4.15.2 to 5.2.2
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/main/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v4.15.2...v5.2.2)

---
updated-dependencies:
- dependency-name: brace-expansion
  dependency-version: 1.1.12
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: js-yaml
  dependency-version: 3.14.2
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: mermaid
  dependency-version: 11.12.1
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: webpack-dev-server
  dependency-version: 5.2.2
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <support@github.com>

* Bump node to 20.0+ (#333)

* Bump node to 20.0+ in package.json
* Bump node to 20 in build.yml github workflow
* Update node to 20 in build_and_deploy.yml
* Update node to 20 in build_and_staging.yml

Signed-off-by: Kurt Garloff <kurt@garloff.de>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Kurt Garloff <kurt@garloff.de>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kurt Garloff <kurt@garloff.de>