Upgrade @gitlab/ui to v56.3.0

What does this MR do and why?

This is the integration MR for gitlab-ui!3323 (merged). See that MR's description for the main changes.

Screenshots or screen recordings

There are some minor changes in GlTable rendering in a couple of places (that I know of):

Feature	Before	After
Pipeline triggers
Subscription history	subscription_history_before	simplescreenrecorder-2023-03-06_12.26.32

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.