Modify AddEntityFrameworkServerSideSessionsServices method

Updated the method signature for adding Entity Framework server-side sessions.

Author: maartenba

src/content/docs/bff/fundamentals/session/server-side-sessions.mdx

@@ -67,7 +67,7 @@ builder.Services.AddDbContextPool<SessionDbContext>(opt =>
 });
 
 builder.Services.AddBff()
-    .AddEntityFrameworkServerSideSessionsServices<SessionDbContext>()
+    .AddEntityFrameworkServerSideSessionsServices<SessionDbContext, IBffServicesBuilder>()
 ```
 
 Note, you'll still need to let the server side session store know about the `SessionDbContext` by calling `AddEntityFrameworkServerSideSessions` with the `SessionDbContext` implementation as a generic argument.
@@ -163,4 +163,4 @@ builder.Services.AddBff(options =>
     });`}/>
 
   </TabItem>
-</Tabs>
+</Tabs>