Bump Microsoft.OpenApi from 1.3.1 to 1.3.2 in /src (#865)

Bumps [Microsoft.OpenApi](https://github.com/Microsoft/OpenAPI.NET) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/Microsoft/OpenAPI.NET/releases)
- [Commits](microsoft/OpenAPI.NET@1.3.1...1.3.2)

---
updated-dependencies:
- dependency-name: Microsoft.OpenApi
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/AzureIoTHub.Portal/Server/AzureIoTHub.Portal.Server.csproj

@@ -46,7 +46,7 @@
     </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="6.0.6" />
     <PackageReference Include="Microsoft.Graph" Version="4.32.0" />
-    <PackageReference Include="Microsoft.OpenApi" Version="1.3.1" />
+    <PackageReference Include="Microsoft.OpenApi" Version="1.3.2" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.16.1" />
     <PackageReference Include="MudBlazor" Version="6.0.10" />
     <PackageReference Include="NetEscapades.AspNetCore.SecurityHeaders" Version="0.16.1" />