Bump Microsoft.NET.Test.Sdk from 17.14.1 to 18.0.0 (#388)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

tests/Mathematics.NET.SourceGenerators.Tests/Mathematics.NET.SourceGenerators.Tests.csproj

@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="17.14.2" />
     <PackageReference Include="Microsoft.Testing.Extensions.TrxReport" Version="1.8.4" />
     <PackageReference Include="MSTest" Version="3.10.4" />

tests/Mathematics.NET.Tests/Mathematics.NET.Tests.csproj

@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="17.14.2" />
     <PackageReference Include="Microsoft.Testing.Extensions.TrxReport" Version="1.8.4" />
     <PackageReference Include="MSTest" Version="3.10.4" />