docs(lib-mode): add a caveat to the build.minify docs for 'es' format

[seanwatters]

Description

Update docs to reflect that the build.minify option does not work in "lib mode" for the 'es' format.

Additional context

see this commit for reference: 06d86e4

What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

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• Read the Contributing Guidelines.
• Read the Pull Request Guidelines and follow the Commit Convention.
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[Niputi]

if we merge this, we might as well close #5167

[seanwatters]

if we merge this, we might as well close #5167

Ah, I was unaware that there was an open MR for resolving this. I don't have a preference as to whether or not Vite supports this or it requires explicitly including terser/esbuild plugins; I do however think it would be useful to at least include this note in the docs until it has been decided one way or the other.

[Niputi]

please run pnpm run format to get lint successful