Update dependency mocha to ^10.3.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mocha (source)	^10.0.0 -> ^10.3.0
@types/mocha (source)	10.0.0 -> 10.0.6

Test plan: CI should pass with updated dependencies. No review required: this is an automated dependency update PR.

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Release Notes

mochajs/mocha (mocha)

v10.3.0

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This is a stable release equivalent to 10.30.0-prerelease.

v10.2.0

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🎉 Enhancements

• #​4945: API: add possibility to decorate ESM name before import (@​j0tunn)

🐛 Fixes

• #​4946: Browser: color of failed test icon (@​kleisauke)

📖 Documentation

• #​4944: Remove duplicated header (@​PauloGoncalvesBH)

v10.1.0

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🎉 Enhancements

• #​4896: Browser: add support for prefers-color-scheme: dark (@​greggman)

🔩 Other

• #​4912: Browser: increase contrast for replay buttons (@​JoshuaKGoldberg)
• #​4905: Use standard Promise.allSettled instead of polyfill (@​outsideris)
• #​4899: Upgrade official GitHub actions to latest (@​ddzz)
• #​4770: Fix regex in function clean(@​yetingli)

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