Separate release from Docker/Helm publish, enrich releases with PR
bodies when available, tighten release.sh validation and idempotency,
and trim PR docker-build metadata for act-runner stability.
# Changes
* package and release helm charts for the project
* configure a new release system based of semver
* add changelog entries via keep-a-changelog formatting
* add gitea releases
Co-authored-by: Madison Grubb <madison@elastiflow.com>
Reviewed-on: #3