Update dependency chai to v2.3.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
chai (source)	devDependencies	minor	2.2.0 -> 2.3.0

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Release Notes

chaijs/chai

v2.3.0

Compare Source

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• Merge pull request #​423 from ehntoo/patch-1
• Merge pull request #​422 from ljharb/fix_descriptor_tests
• Fix a small bug in the .null assertion docs
• Use a regex to account for property ordering issues across engines.
• Add make test-firefox
• Merge pull request #​417 from astorije/astorije/minimalist-typo
• Remove trailing whitespaces
• Fix super minor typo in an example
• Merge pull request #​408 from ljharb/enumerableProperty
• Add ownPropertyDescriptor assertion.

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