Setting non-default image breaks deployment due to release tag mis-match.

[vennemp]

If you set the image repository to something that is non-default, the helm chart may not update due to a tag mis-match.

  Warning  Failed     2m19s (x4 over 3m50s)  kubelet            Failed to pull image "openpolicyagent/gatekeeper-crds:latest": rpc error: code = NotFound desc = failed to pull and unpack image "docker.io/openpolicyagent/gatekeeper-crds:latest": failed to resolve reference "docker.io/openpolicyagent/gatekeeper-crds:latest": docker.io/openpolicyagent/gatekeeper-crds:latest: not found
  Warning  Failed     2m19s (x4 over 3m50s)  kubelet            Error: ErrImagePull
  Warning  Failed     2m5s (x6 over 3m49s)   kubelet            Error: ImagePullBackOff
  Normal   BackOff    111s (x7 over 3m49s)   kubelet            Back-off pulling image "openpolicyagent/gatekeeper-crds:latest"

What did you expect to happen:
Add a separate value for the crdRepository release tag. So this can be decoupled.