chore(deps): bump tar from 6.2.1 to 7.0.1 in /dev/diff in the npm group (ietf-tools#7325)

Bumps the npm group in /dev/diff with 1 update: [tar](https://github.com/isaacs/node-tar).


Updates `tar` from 6.2.1 to 7.0.1
- [Release notes](https://github.com/isaacs/node-tar/releases)
- [Changelog](https://github.com/isaacs/node-tar/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-tar@v6.2.1...v7.0.1)

---
updated-dependencies:
- dependency-name: tar
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: npm
...

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