Fix SA1513 StyleCop error - add blank line after closing brace

src/Jellyfin.Database/Jellyfin.Database.Providers.Postgres/PostgresDatabaseProvider.cs

@@ -560,6 +560,7 @@ public sealed class PostgresDatabaseProvider : IJellyfinDatabaseProvider
                                     {
                                         logger.LogError("psql error: {Error}", error);
                                     }
+
                                     throw new InvalidOperationException($"psql failed with exit code {psqlProcess.ExitCode}. Error: {error}");
                                 }
                             }