Bump NUnit.Analyzers from 3.5.0 to 3.6.0 (#1060)

Bumps [NUnit.Analyzers](https://github.com/nunit/nunit.analyzers) from 3.5.0 to 3.6.0.
- [Release notes](https://github.com/nunit/nunit.analyzers/releases)
- [Changelog](https://github.com/nunit/nunit.analyzers/blob/master/CHANGES.txt)
- [Commits](nunit/nunit.analyzers@3.5.0...3.6.0)

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

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

src/NUnit.TestAdapter.Tests.Acceptance/NUnit.TestAdapter.Tests.Acceptance.csproj

@@ -13,7 +13,7 @@
     <PackageReference Include="nunit" Version="3.13.3" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.4.0-beta.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
-    <PackageReference Include="NUnit.Analyzers" Version="3.5.0" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.6.0" />
   </ItemGroup>
 
   <ItemGroup>

src/NUnitTestAdapterTests/NUnit.TestAdapter.Tests.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="NSubstitute" Version="4.4.0" />
     <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="2.10.0" />
-    <PackageReference Include="NUnit.Analyzers" Version="3.5.0" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.6.0" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net462' ">