[MINOR] Move health summary to 'siac renter health'

MERGE REQUEST

MR Guidelines

Overview

This MR moves the health summary from siac renter -v to siac renter health. The reason being that it's incredibly slow on large nodes.

https://asciinema.org/a/sg5nVideQ2x0CXW5EZAIUxvOU

Checklist

Review and complete the checklist to ensure that the MR is complete before assigned to an approver.

• All new methods or updated methods have clear docstrings
• Testing added or updated for new methods
• Any new packages are added to Makefile and .gitlab-ci.yml
• API documentation updated for API updates
• Module README.md updated for changes to workflow
• Issue added to Sia-UI repo for new supporting features
• Changelog File Created