Bump Microsoft.VisualStudio.Web.CodeGeneration.Design

Bumps [Microsoft.VisualStudio.Web.CodeGeneration.Design](https://github.com/dotnet/Scaffolding) from 6.0.12 to 7.0.9.
- [Release notes](https://github.com/dotnet/Scaffolding/releases)
- [Commits](https://github.com/dotnet/Scaffolding/commits)

---
updated-dependencies:
- dependency-name: Microsoft.VisualStudio.Web.CodeGeneration.Design
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Cuttlefish.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
@@ -25,7 +25,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="6.0.12" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="7.0.9" />
     <PackageReference Include="NETCore.MailKit" Version="2.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.3.0" />
     <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="6.5.0" />