docs: Revise docs for 'release create' command (!2341) · Merge requests · GitLab.org / cli · GitLab

Description

Does the deeper edit of the release create command that I postponed in !2205 (merged).

Related issues and merge requests

Closes Follow-up from "feat(release): support uploadin... (#7923 - closed)
Related to feat(release): support uploading release assets... (!2205 - merged) - this MR contains my edits to that file.