Bump xunit from 2.4.1 to 2.4.2

[dependabot[bot]]

Bumps xunit from 2.4.1 to 2.4.2.

Commits

• f110e5b v2.4.2
• 848d94d Update dependencies
• 42307e8 Fixes #2556: Xunit.Sdk.MultipleException Empty
• 7eba502 Port test changes from 1dd43ce684cc6d50bf726042173956e6bda2fa3b
• 211aa27 Make sure we use msbuild.exe (from Visual Studio) and not msbuild.bat (from M...
• 878d209 Add tests for KeyValuePair<> equivalence (including Dictionaries with collect...
• 32d21fb Add tests for KeyValuePair<>/Dictionary ArgumentFormatter update
• 1109d48 Codify that arrays and lists are equivalent
• 19618ef Port #2463 to v2
• b88fee5 PerformDefinedConversions handles multiple conflicting conversions
• Additional commits viewable in compare view

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