Bump NUnit.Analyzers from 3.3.0 to 4.2.0 in /src

Bumps [NUnit.Analyzers](https://github.com/nunit/nunit.analyzers) from 3.3.0 to 4.2.0.
- [Release notes](https://github.com/nunit/nunit.analyzers/releases)
- [Changelog](https://github.com/nunit/nunit.analyzers/blob/master/CHANGES.md)
- [Commits](nunit/nunit.analyzers@3.3.0...4.2.0)

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

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

Author: dependabot[bot]

test/WalletFramework.MdocVc.Tests/WalletFramework.MdocVc.Tests.csproj

@@ -13,7 +13,7 @@
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0"/>
         <PackageReference Include="NUnit" Version="3.13.3"/>
         <PackageReference Include="NUnit3TestAdapter" Version="4.2.1"/>
-        <PackageReference Include="NUnit.Analyzers" Version="3.3.0"/>
+        <PackageReference Include="NUnit.Analyzers" Version="4.2.0"/>
         <PackageReference Include="xunit" Version="2.9.0" />
     </ItemGroup>