Updated Triggering TypeScript Bot (markdown)

Author: weswigham

Triggering-TypeScript-Bot.md

@@ -17,6 +17,8 @@ The currently recognized commands are:
 
 In addition, there are a small suite of commands which work in _any_ comment and relate to release management:
 * [`create release-X.Y`](https://github.com/microsoft/TypeScript/actions?query=workflow%3A%22New+Release+Branch%22) This makes a `release-X.Y` branch (replace `X.Y` with your desired version) with the `package.json` version set to `X.Y.0-beta`, the `corePublic` `versionMajorMinor` set to `X.Y`, and the full `ts.version` string set to `X.Y.0-beta`, and updates the accompanying baselines. An LKG is then performed. This new branch is directly pushed to `microsoft/TypeScript`. In short, this fully sets up a new release branch to be ready to publish a beta.
+* [`bump release-X.Y`](https://github.com/microsoft/TypeScript/actions?query=workflow%3A%22Set+branch+version%22) This bumps the version on the specified branch and captures a new LKG, essentially preparing the branch for a new release.
+* [`sync release-X.Y`](https://github.com/microsoft/TypeScript/actions?query=workflow%3A%22sync%22) This merges `master` into the specified branch; this is useful for syncing the branch with `master` in the period between the beta and rc.
 
 A single comment may contain multiple commands, so long as each is prefixed with a call to `@typescript-bot`.