docs(cdk/menu): fix typo in menu-trigger comment

[MathieuAbbal]

Summary

• Fix typo "thte" → "the" in _setType method documentation

Test plan

• No tests needed (documentation change only)

[google-cla]

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[MathieuAbbal]

@googlebot I signed it!

[crisbeto]

Closing since the CLA is still failing and this typo isn't surfaced anywhere.

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