Bump PublicApiGenerator from 11.0.0 to 11.1.0

Bumps [PublicApiGenerator](https://github.com/PublicApiGenerator/PublicApiGenerator) from 11.0.0 to 11.1.0.
- [Release notes](https://github.com/PublicApiGenerator/PublicApiGenerator/releases)
- [Commits](PublicApiGenerator/PublicApiGenerator@11.0.0...11.1.0)

---
updated-dependencies:
- dependency-name: PublicApiGenerator
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

test/Microsoft.OpenApi.Tests/Microsoft.OpenApi.Tests.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="xunit" Version="2.6.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="PublicApiGenerator" Version="11.0.0" />
+    <PackageReference Include="PublicApiGenerator" Version="11.1.0" />
   </ItemGroup>
 
   <ItemGroup>