Bump cross-spawn and grapesjs-preset-newsletter

Bumps [cross-spawn](https://github.com/moxystudio/node-cross-spawn) to 7.0.6 and updates ancestor dependencies [cross-spawn](https://github.com/moxystudio/node-cross-spawn) and [grapesjs-preset-newsletter](https://github.com/GrapesJS/preset-newsletter). These dependencies need to be updated together.


Updates `cross-spawn` from 7.0.3 to 7.0.6
- [Changelog](https://github.com/moxystudio/node-cross-spawn/blob/master/CHANGELOG.md)
- [Commits](moxystudio/node-cross-spawn@v7.0.3...v7.0.6)

Updates `cross-spawn` from 6.0.5 to 7.0.6
- [Changelog](https://github.com/moxystudio/node-cross-spawn/blob/master/CHANGELOG.md)
- [Commits](moxystudio/node-cross-spawn@v7.0.3...v7.0.6)

Updates `grapesjs-preset-newsletter` from 0.2.21 to 1.0.2
- [Release notes](https://github.com/GrapesJS/preset-newsletter/releases)
- [Commits](https://github.com/GrapesJS/preset-newsletter/commits/v1.0.2)

---
updated-dependencies:
- dependency-name: cross-spawn
  dependency-type: indirect
- dependency-name: cross-spawn
  dependency-type: indirect
- dependency-name: grapesjs-preset-newsletter
  dependency-type: direct:production
...

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