build(deps): Bump Microsoft.EntityFrameworkCore.Tools (#218)

Bumps [Microsoft.EntityFrameworkCore.Tools](https://github.com/dotnet/efcore) from 8.0.7 to 8.0.8.
- [Release notes](https://github.com/dotnet/efcore/releases)
- [Commits](dotnet/efcore@v8.0.7...v8.0.8)

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

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

Author: dependabot[bot]

GraphQLNetExample/GraphQLNetExample.csproj

@@ -17,7 +17,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.8" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.7">
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.8">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>