chore(deps): update dependency @sinonjs/fake-timers to v15

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Confidence
@sinonjs/fake-timers	14.0.0 -> 15.0.0

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Release Notes

sinonjs/fake-timers (@​sinonjs/fake-timers)

v15.0.0

Compare Source

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• feat: Add additional auto advance time controls (#​509)
• Upgrade dependencies and drop support for Node 18 in favor of Node 24 (#​526 and #​523)

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