feat: add route and menu support for axis title color

[gururaj1512]

Resolves None.

Description

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This pull request:

• feat: add route and menu support for axis title color

Screen.Recording.2026-04-28.at.12.11.14.PM.mov

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{{TODO: add disclosure if applicable}}

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@stdlib-js/reviewers

[kgryte]

As the CI failure is expected, I'll go ahead and merge.