Provide provenance files for Helm

[cowwoc]

Please, answer some short questions which should help us to understand your problem / question better?

• Which image of the operator are you using? e.g. ghcr.io/zalando/postgres-operator:v1.14.0
• Where do you run it - cloud or metal? Kubernetes or OpenShift? Local k3d instance
• Are you running Postgres Operator in production? no
• Type of issue? feature request

If I invoke helm install postgres-operator repository/postgres-operator --namespace database --verify --dependency-update I get: Error: INSTALLATION FAILED: failed to fetch provenance "https://opensource.zalando.com/postgres-operator/charts/postgres-operator/postgres-operator-1.14.0.tgz.prov"

I know that removing --verify resolves the error but it would be nice if you provided provenance files in future releases.