chore: enable treatWarningsAsErrors in typedoc

[weboko]

This is a bug report/feature or change request/support request

Problem

After the upgrade of typedoc link resolution started to show warnings sometimes.
It's better to enable treatWarningsAsErrors but then docs are not built.

Proposed Solutions

Check what the library maintainer proposes.

Notes

Ref: TypeStrong/typedoc#2403, #1528 (comment)

[weboko]

It is a bug on the side of typedoc. The task is blocked till addressed.

[weboko]

The issue is resolved on the side of typedoc so we can fix it.