Nightly Release Candidate 3.0.0rc6

What's Changed

Fixes

• Make Task.serve sync compatible by @bunchesofdonald in #14184

Documentation

• React -> automate by @cicdw in #14185

Uncategorized

• Consolidate task runner content by @billpalombi in #14178
• Updates to cache policies by @cicdw in #14164
• Updates caching docs to be all about the new style of caching by @cicdw in #14165
• Added and edited Workspaces to 3.0 by @stellardave in #14085
• Separate pause and cancel by @billpalombi in #14179
• Move cancel runs by @billpalombi in #14191

Full Changelog: 3.0.0rc5...3.0.0rc6