Salesforce CLI 2.30.8

Changes

• ~We made a bunch of improvements to the data import tree and data export tree commands. But because these improvements introduce breaking changes, we're going to first beta the new functionality, and then make it generally available when we're sure everything is in tip-top shape. Here's an overview of the plan, but see the pinned issue #2738 for details about the improvements, the breaking...changed
• *Salesforce DX projects now support these metadata types:fixed
• *When you pass a command alias to sf which, it now outputs an aliasOf property that shows the command that the passed-in command is an alias of. (oclif GitHub issue #515, plugin-which PRfixed