Bump NUnit.Analyzers from 4.6.0 to 4.12.0

---
updated-dependencies:
- dependency-name: NUnit.Analyzers
  dependency-version: 4.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

UnitTests/UnitTests.csproj

@@ -26,7 +26,7 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="nunit" Version="4.3.2" />
-        <PackageReference Include="NUnit.Analyzers" Version="4.6.0">
+        <PackageReference Include="NUnit.Analyzers" Version="4.12.0">
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>