chore(deps): update dependency microsoft.net.test.sdk to v18

Author: renovate[bot]

src/Promitor.Tests.Integration/Promitor.Tests.Integration.csproj

@@ -18,7 +18,7 @@
     <PackageReference Include="Arcus.Observability.Telemetry.Core" Version="3.0.0" />
     <PackageReference Include="Arcus.Testing.Logging" Version="0.5.0" />
     <PackageReference Include="Bogus" Version="35.6.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Polly" Version="8.6.4" />
     <PackageReference Include="Promitor.Parsers.Prometheus.Http" Version="0.2.0" />

src/Promitor.Tests.Unit/Promitor.Tests.Unit.csproj

@@ -38,7 +38,7 @@
     <PackageReference Include="Bogus" Version="35.6.2" />
     <PackageReference Include="Fastenshtein" Version="1.0.10" />
     <PackageReference Include="JetBrains.DotMemoryUnit" Version="3.2.20220510" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="Moq" Version="4.18.4" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.3" />