Bump Microsoft.NET.Test.Sdk from 17.14.1 to 18.0.0

---
updated-dependencies:
- 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]>

Author: dependabot[bot]

test/AStar.Dev.Infrastructure.FilesDb.Tests.Unit/AStar.Dev.Infrastructure.FilesDb.Tests.Unit.csproj

@@ -18,7 +18,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
         <PackageReference Include="xunit.v3" Version="3.0.1"/>
         <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4"/>
     </ItemGroup>