chore(deps): update dependency mocha to v8.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mocha (source)	8.3.2 -> 8.4.0
@types/mocha (source)	8.2.2 -> 8.2.3

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Release Notes

mochajs/mocha (mocha)

v8.4.0

Compare Source

:tada: Enhancements

• #​4502: CLI file parsing errors now have error codes (@​evaline-ju)

:bug: Fixes

• #​4614: Watch: fix crash when reloading files (@​outsideris)

:book: Documentation

• #​4630: Add options.require to Mocha constructor for root hook plugins on parallel runs (@​juergba)
• #​4617: Dynamically generating tests with top-level await and ESM test files (@​juergba)
• #​4608: Update default file extensions (@​outsideris)

Also thanks to @​outsideris for various improvements on our GH actions workflows.

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