#3062 Update Auth docs Pull request opened by davidmirror-ops Signed-off-by: David Espejo 82604841+davidmirror-ops@users.noreply.github.com Tracking issue Describe your changes Add instructions to setup Google IdP for a sandbox environment, including the required flytepropeller secret rotation Check all the applicable boxes ☐ I updated the documentation accordingly. ☐ All new and existing tests passed. ☐ All commits are signed-off. Screenshots Note to reviewers flyteorg/flyte ✅ All checks have passed 2/2 successful checks