chore(deps): [security] bump tar from 4.4.13 to 4.4.15

Bumps [tar](https://github.com/npm/node-tar) from 4.4.13 to 4.4.15. **This update includes security fixes.**
- [Release notes](https://github.com/npm/node-tar/releases)
- [Changelog](https://github.com/npm/node-tar/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-tar@v4.4.13...v4.4.15)

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

fix(ci): install semantic-release dependencies in workflow

Merge pull request #40 from bionicles/dependabot/npm_and_yarn/www/pur…

…gecss-2.0.5

Bump purgecss from 2.0.3 to 2.0.5 in /www