deps: Bump the microsoft group with 1 update

Bumps Microsoft.NET.Test.Sdk from 18.0.1 to 18.3.0

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

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

Author: dependabot[bot]

Directory.Packages.props

@@ -48,7 +48,7 @@
     <!-- Image Processing -->
     <PackageVersion Include="SixLabors.ImageSharp" Version="3.1.12" />
     <!-- Testing -->
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageVersion Include="xunit.v3" Version="3.2.2" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageVersion Include="coverlet.collector" Version="8.0.0" />