build(deps): bump ocpp in /tests/ocpp-server in the regular group (#1469)

build(deps): bump ocpp in /tests/ocpp-server in the regular group (#1469)

Bumps the regular group in /tests/ocpp-server with 1 update: [ocpp](https://github.com/mobilityhouse/ocpp).

Updates `ocpp` from 2.0.0 to 2.1.0
- [Release notes](https://github.com/mobilityhouse/ocpp/releases)
- [Changelog](https://github.com/mobilityhouse/ocpp/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mobilityhouse/ocpp/compare/2.0.0...2.1.0)

---
updated-dependencies:
- dependency-name: ocpp
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: regular
...

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