Bump Microsoft.NET.Test.Sdk, NUnit.Analyzers and NUnit3TestAdapter (#1525)

Bumps Microsoft.NET.Test.Sdk from 17.14.1 to 18.0.1
Bumps NUnit.Analyzers from 4.10.0 to 4.11.2
Bumps NUnit3TestAdapter from 5.1.0 to 6.0.1

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dotnet
- dependency-name: NUnit.Analyzers
  dependency-version: 4.11.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: NUnit3TestAdapter
  dependency-version: 6.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dotnet
...

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

Author: dependabot[bot]

tools/ExampleTester.Tests/ExampleTester.Tests.csproj

@@ -7,10 +7,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="NUnit" Version="4.4.0" />
-    <PackageReference Include="NUnit.Analyzers" Version="4.10.0" PrivateAssets="all" />
-    <PackageReference Include="NUnit3TestAdapter" Version="5.1.0" />
+    <PackageReference Include="NUnit.Analyzers" Version="4.11.2" PrivateAssets="all" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.0.1" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
   </ItemGroup>