Fix Helm download location
Fix Helm download location

The old binary is no longer accessible since Helm moved their releases to a new GCS bucket. I got the URL from https://github.com/helm/helm/releases/tag/v2.17.0

Closes https://github.com/googlecloudrobotics/core/pull/71
https://github.com/googlecloudrobotics/core/pull/71

ORIGINAL_AUTHOR=Florian Weikert <fwe@google.com>
GitOrigin-RevId: 1003f12e65c31c3430b19f68dec49b2c3b217d07
Change-Id: If674bf5b96349d8446838d14838f451594f8b36e

googlecloudrobotics/core,googlecloudrobotics/core,googlecloudrobotics/core