Bump protobufjs from 7.3.0 to 7.3.2 in /test/servers

Bumps [protobufjs](https://github.com/protobufjs/protobuf.js) from 7.3.0 to 7.3.2.
- [Release notes](https://github.com/protobufjs/protobuf.js/releases)
- [Changelog](https://github.com/protobufjs/protobuf.js/blob/master/CHANGELOG.md)
- [Commits](protobufjs/protobuf.js@protobufjs-v7.3.0...protobufjs-v7.3.2)

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

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

Author: dependabot[bot]