Bump @iobroker/eslint-config from 1.0.0 to 2.3.4

Bumps [@iobroker/eslint-config](https://github.com/ioBroker/eslint-config) from 1.0.0 to 2.3.4.
- [Release notes](https://github.com/ioBroker/eslint-config/releases)
- [Commits](ioBroker/eslint-config@v1.0.0...v2.3.4)

---
updated-dependencies:
- dependency-name: "@iobroker/eslint-config"
  dependency-version: 2.3.4
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]