Bump Microsoft.EntityFrameworkCore.SqlServer from 5.0.7 to 5.0.8

Bumps [Microsoft.EntityFrameworkCore.SqlServer](https://github.com/dotnet/efcore) from 5.0.7 to 5.0.8.
- [Release notes](https://github.com/dotnet/efcore/releases)
- [Commits](dotnet/efcore@v5.0.7...v5.0.8)

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

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

src/SolrDotnetSample.Repositories/SolrDotnetSample.Repositories.csproj

@@ -14,7 +14,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.8" />
-        <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.7" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.8" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="5.0.8" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.7" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="5.0.7" />