feat: ensure sync schema and table exist before GetSyncJobConfig processing (#105)

Call targetConn.EnsureSyncSchemaAndTableExists for config/{id}/{area}/schema
so the target has the required schema and table before table schema resolution.

Author: devlead

src/SqlBulkSyncFunction/Functions/GetSyncJobConfig.cs

@@ -145,7 +145,7 @@ string area
             SourceTableChangeTrackingInfo[]
                 sourceTableChangeTrackingInfos = [.. await sourceConn.QueryAsync<SourceTableChangeTrackingInfo>(SchemaExtensions.SourceTableChangeTrackingInfoQuery)];
 
-
+            targetConn.EnsureSyncSchemaAndTableExists($"config/{id}/{area}/schema", logger);
 
             var tableSchemas = (
                     syncJob.Tables ?? []