chore: Roll chart version

chore: Add renovate config

feat: add version support, split module and namespace

fix: update type enum to make it less likely to pass an invalid value…

… for metric type

chore(chart): roll image

tests: add tests for the cache service

chore(chart): Roll image

feat(monitoring): optional Prometheus metrics exporter

Also modernize some of the go code.

fix(chart): Use stable version

chore: Add chart testing workflow

Also add chart- prefix to GitHub releases for the chart

Minor fixes