Linkhub-prometheus-exporter

What's Changed
* Various updates by imrehg in https://github.com/imrehg/linkhub_prometheus_exporter/pull/16


**Full Changelog**: https://github.com/imrehg/linkhub_prometheus_exporter/compare/v0.2.1...v0.3.0

**Full Changelog**: https://github.com/imrehg/linkhub_prometheus_exporter/compare/v0.2.0...v0.2.1

What's Changed
* Switch to using JSON-RPC library for request creation and response parsing by imrehg in https://github.com/imrehg/linkhub_prometheus_exporter/pull/15

This includes now going with Python 3.10 (dropping support for earlier Python versions).

**Full Changelog**: https://github.com/imrehg/linkhub_prometheus_exporter/compare/v0.1.6...v0.2.0

**Full Changelog**: https://github.com/imrehg/linkhub_prometheus_exporter/compare/v0.1.1...v0.1.6

What's Changed
* Changes since the first release by imrehg in https://github.com/imrehg/linkhub_prometheus_exporter/pull/8

**Full Changelog**: https://github.com/imrehg/linkhub_prometheus_exporter/compare/v0.1.0...v0.1.1

Initial release.