(deps): Bump NUnit from 3.13.2 to 3.13.3

Bumps [NUnit](https://github.com/nunit/nunit) from 3.13.2 to 3.13.3.
- [Release notes](https://github.com/nunit/nunit/releases)
- [Changelog](https://github.com/nunit/nunit/blob/v3.13.3/CHANGES.md)
- [Commits](nunit/nunit@v3.13.2...v3.13.3)

---
updated-dependencies:
- dependency-name: NUnit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/Directory.Build.props

@@ -37,7 +37,7 @@
         <PackageVersion_MicrosoftTestSdk>17.1.0</PackageVersion_MicrosoftTestSdk>
         <PackageVersion_NSubstitute>4.3.0</PackageVersion_NSubstitute>
         <PackageVersion_CoverletMsBuild>3.1.2</PackageVersion_CoverletMsBuild>
-        <PackageVersion_NUnit>3.13.2</PackageVersion_NUnit>
+        <PackageVersion_NUnit>3.13.3</PackageVersion_NUnit>
         <PackageVersion_NUnit3TestAdapter>4.2.1</PackageVersion_NUnit3TestAdapter>
         <PackageVersion_NunitXmlTestLogger>3.0.117</PackageVersion_NunitXmlTestLogger>
         <PackageVersion_Shouldly>4.0.3</PackageVersion_Shouldly>