4.2.0

• Update go to 1.20
• Add metrics documentation
• Add versioning to metrics
• Add rbd mirror metrics

Generated notes below!

What's Changed

• Add rbd-mirror health status by @concubidated in #222
• Add user to exporter for use with rbd/rgw commands by @concubidated in #223
• Replaces gauges with constmetrics by @DanWritesCode in #224
• Update Github Actions to use ubuntu 20.04 by @DanWritesCode in #227
• Split cluster health state by plus sign by @DanWritesCode in #226
• github-actions/license: make license year future-proof by @neurodrone in #230
• doc: add metrics list and desc by @alram in #233
• Collector init fix and version refactor by @alram in #232
• Fix timeouts and use goroutines for collectors/commands by @DanWritesCode in #234
• rados: establish only 1 rados connection by @DanWritesCode in #235
• gha: add build/push on tag update by @Matt1360 in #237
• go: update envs to use go 1.20 by @Matt1360 in #238

New Contributors

• @concubidated made their first contribution in #222
• @DanWritesCode made their first contribution in #224

Full Changelog: 4.1.1...4.2.0