Bump tar and npm in /gallery-editor

Bumps [tar](https://github.com/isaacs/node-tar) to 6.2.1 and updates ancestor dependency [npm](https://github.com/npm/cli). These dependencies need to be updated together.


Updates `tar` from 6.1.13 to 6.2.1
- [Release notes](https://github.com/isaacs/node-tar/releases)
- [Changelog](https://github.com/isaacs/node-tar/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-tar@v6.1.13...v6.2.1)

Updates `npm` from 8.19.4 to 10.8.3
- [Release notes](https://github.com/npm/cli/releases)
- [Changelog](https://github.com/npm/cli/blob/latest/CHANGELOG.md)
- [Commits](npm/cli@v8.19.4...v10.8.3)

---
updated-dependencies:
- dependency-name: tar
  dependency-type: indirect
- dependency-name: npm
  dependency-type: direct:production
...

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