Steps to replicate the issue (include links if applicable):

Is especially obvious when the vertical scroll bar shows up

• Visit https://www.mediawiki.org/wiki/Community_metrics?useskin=vector-2022
• Make sure right menu is enabled/open/displayed

What happens?:

• Too much margin to the right of the vertical scroll bar

What should have happened instead?:

• Either widen the right menu and reduce the right margin, or just reduce the right margin

Software version (skip for WMF-hosted wikis like Wikipedia):

Other information (browser name/version, screenshots, etc.):