Update dependency EntityFrameworkCore.FSharp to v6

Author: renovate[bot]

Emulsion.Database/Emulsion.Database.fsproj

@@ -14,7 +14,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="EntityFrameworkCore.FSharp" Version="5.0.3" />
+      <PackageReference Include="EntityFrameworkCore.FSharp" Version="6.0.7" />
       <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.6">
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>