Bump GraphQL.Client.Serializer.SystemTextJson

Bumps [GraphQL.Client.Serializer.SystemTextJson](https://github.com/graphql-dotnet/graphql-client) from 5.1.0 to 5.1.1.
- [Release notes](https://github.com/graphql-dotnet/graphql-client/releases)
- [Commits](graphql-dotnet/graphql-client@v5.1.0...v5.1.1)

---
updated-dependencies:
- dependency-name: GraphQL.Client.Serializer.SystemTextJson
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

SamplesDashboard/SamplesDashboard/SamplesDashboard.csproj

@@ -15,7 +15,7 @@
     <PackageReference Include="Azure.Security.KeyVault.Certificates" Version="4.4.0" />
     <PackageReference Include="Azure.Security.KeyVault.Keys" Version="4.4.0" />
     <PackageReference Include="GraphQL.Client" Version="5.1.0" />
-    <PackageReference Include="GraphQL.Client.Serializer.SystemTextJson" Version="5.1.0" />
+    <PackageReference Include="GraphQL.Client.Serializer.SystemTextJson" Version="5.1.1" />
     <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="5.0.17" />
     <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="7.0.4" />
     <PackageReference Include="Microsoft.Identity.Web" Version="1.25.10" />