Bump PublicApiGenerator from 9.1.0 to 9.3.0 (#11)

Bumps [PublicApiGenerator](https://github.com/JakeGinnivan/ApiApprover) from 9.1.0 to 9.3.0.
- [Release notes](https://github.com/JakeGinnivan/ApiApprover/releases)
- [Commits](PublicApiGenerator/PublicApiGenerator@9.1.0...9.3.0)

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

src/Directory.Build.props

@@ -36,7 +36,7 @@
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
     <PackageReference Include="Xunit.StaFact" Version="0.3.18" />
     <PackageReference Include="Shouldly" Version="4.0.0-beta0002" />
-    <PackageReference Include="PublicApiGenerator" Version="9.1.0" />
+    <PackageReference Include="PublicApiGenerator" Version="9.3.0" />
   </ItemGroup>
 
   <ItemGroup Condition="$(IsTestProject)">