Increment semver by build by default

[Kritner]

• fixes Update NBGV to rev patch/build by default, rather than minor #16

Description

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Fixes # (issue number)

Type of Change

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• Bug fix
• New Feature
• Documentation
• Code improvement
• Breaking change - if a public API changes, or any change that DOES or MAY require a major revision to the NuGet package version due to semver.
• Unit tests
• Code samples
• Added your repository URL to the readme because you make use of this super cool package! ;)
• Other

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Checklist

• Read the https://github.com/Kritner-Blogs/FlakyTest.XUnit/blob/main/CONTRIBUTING.md
• Ran unit tests and ensured they passed
• Added unit tests where applicable
• Referenced an issue where applicable
• Ran dotnet-format locally