deps: Bump Microsoft.NET.Test.Sdk from 17.14.1 to 18.3.0 (#29)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -37,7 +37,7 @@
     <PackageVersion Include="coverlet.collector" Version="8.0.1" />
     <PackageVersion Include="Microsoft.Extensions.Configuration" Version="10.0.5" />
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="10.0.5" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />
     <PackageVersion Include="Xunit.SkippableFact" Version="1.5.61" />