Bump Microsoft.SemanticKernel.Skills.MsGraph in /dotnet

Bumps [Microsoft.SemanticKernel.Skills.MsGraph](https://github.com/microsoft/semantic-kernel) from 0.15.230531.5-preview to 0.16.230615.1-preview.
- [Release notes](https://github.com/microsoft/semantic-kernel/releases)
- [Commits](dotnet-0.15.230531.5-preview...dotnet-0.16.230615.1-preview)

---
updated-dependencies:
- dependency-name: Microsoft.SemanticKernel.Skills.MsGraph
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

samples/dotnet/KernelHttpServer/KernelHttpServer.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <RollForward>LatestMajor</RollForward>
@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.Graph" Version="4.54.0" />
     <PackageReference Include="Microsoft.SemanticKernel" Version="0.15.230531.5-preview" />
     <PackageReference Include="Microsoft.SemanticKernel.Skills.Document" Version="0.15.230531.5-preview" />
-    <PackageReference Include="Microsoft.SemanticKernel.Skills.MsGraph" Version="0.15.230531.5-preview" />
+    <PackageReference Include="Microsoft.SemanticKernel.Skills.MsGraph" Version="0.16.230615.1-preview" />
     <PackageReference Include="Microsoft.SemanticKernel.Skills.Web" Version="0.15.230531.5-preview" />
   </ItemGroup>
 

samples/dotnet/graph-api-skills/MsGraphSkillsExample.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <RootNamespace>MsGraphSkillsExample</RootNamespace>
     <TargetFramework>net6.0</TargetFramework>
@@ -21,7 +21,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="7.0.0" />
-    <PackageReference Include="Microsoft.SemanticKernel.Skills.MsGraph" Version="0.15.230531.5-preview" />
+    <PackageReference Include="Microsoft.SemanticKernel.Skills.MsGraph" Version="0.16.230615.1-preview" />
     <PackageReference Include="Microsoft.SemanticKernel" Version="0.15.230531.5-preview" />
   </ItemGroup>