Bump the helm chart to latest version (grafana#485)

Usage stats reporter: fix to remove duplicate if block (grafana#483)

Remove duplicate if statement.

remove helm chart signing (grafana#476)

go mod tidy

Add apache license for the API folder

make fmt

Merge pull request grafana#452 from simonswine/20221208_release-0.1.1…

…-in-helm

Release helm chart v0.1.2 with Phlare version v0.1.1

Merge pull request grafana#448 from simonswine/20221207_fix-release-t…

…arget

Goreleaser fixes

Merge pull request grafana#430 from simonswine/20221121_raise-helm-ch…

…art-version

Raise helm chart version

Merge pull request grafana#300 from grafana/20221010_helm-workflow

Add helm ci/release workflows