Bump NUnit3TestAdapter from 3.17.0 to 4.0.0 (#283)

Bumps [NUnit3TestAdapter](https://github.com/nunit/nunit3-vs-adapter) from 3.17.0 to 4.0.0.
- [Release notes](https://github.com/nunit/nunit3-vs-adapter/releases)
- [Commits](https://github.com/nunit/nunit3-vs-adapter/compare/V3.17...V4.0.0)

---
updated-dependencies:
- dependency-name: NUnit3TestAdapter
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

ErsatzTV.Core.Tests/ErsatzTV.Core.Tests.csproj

@@ -20,7 +20,7 @@
       </PackageReference>
       <PackageReference Include="Moq" Version="4.16.1" />
       <PackageReference Include="NUnit" Version="3.13.2" />
-      <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
+      <PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
       <PackageReference Include="Serilog" Version="2.10.0" />
       <PackageReference Include="Serilog.Extensions.Logging" Version="3.0.1" />
       <PackageReference Include="Serilog.Sinks.Debug" Version="2.0.0" />