Bump Microsoft.EntityFrameworkCore from 5.0.8 to 5.0.9 in /src (#733)

Bumps [Microsoft.EntityFrameworkCore](https://github.com/dotnet/efcore) from 5.0.8 to 5.0.9.
- [Release notes](https://github.com/dotnet/efcore/releases)
- [Commits](https://github.com/dotnet/efcore/commits)

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

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Author: dependabot[bot]

src/GraphQL.EntityFramework/GraphQL.EntityFramework.csproj

@@ -9,7 +9,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />
     <PackageReference Include="GraphQL" Version="4.5.0" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.8" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.9" />
     <PackageReference Include="ProjectDefaults" Version="1.0.56" PrivateAssets="All" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" Condition="$(Configuration) == 'Release'" />
   </ItemGroup>

src/SampleWeb/SampleWeb.csproj

@@ -9,7 +9,7 @@
     <PackageReference Include="GraphQL.NewtonsoftJson" Version="4.5.0" />
     <PackageReference Include="GraphQL" Version="4.5.0" />
     <!--<PackageReference Include="GraphQL.Server.Transports.WebSockets" Version="3.5.0-alpha0046" />-->
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.8" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.9" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="5.0.8" />
     <ProjectReference Include="..\GraphQL.EntityFramework\GraphQL.EntityFramework.csproj" />