Bump maxmind from 4.3.20 to 4.3.21

Bumps [maxmind](https://github.com/runk/node-maxmind) from 4.3.20 to 4.3.21.
- [Release notes](https://github.com/runk/node-maxmind/releases)
- [Commits](runk/node-maxmind@v4.3.20...v4.3.21)

---
updated-dependencies:
- dependency-name: maxmind
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]