Bump dns-packet from 5.2.1 to 5.2.2 in /docs
Bumps [dns-packet](https://github.com/mafintosh/dns-packet) from 5.2.1 to 5.2.2.
- [Release notes](https://github.com/mafintosh/dns-packet/releases)
- [Changelog](https://github.com/mafintosh/dns-packet/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mafintosh/dns-packet/compare/v5.2.1...v5.2.2)
Signed-off-by: dependabot[bot] <[email protected]>