enable UrlBlock building in workflow service (#1689)

skyvern/forge/sdk/workflow/service.py

@@ -52,6 +52,7 @@ from skyvern.forge.sdk.workflow.models.block import (
     TaskV2Block,
     TextPromptBlock,
     UploadToS3Block,
+    UrlBlock,
     ValidationBlock,
     WaitBlock,
 )
@@ -1751,6 +1752,12 @@ class WorkflowService:
                 max_iterations=block_yaml.max_iterations,
                 output_parameter=output_parameter,
             )
+        elif block_yaml.block_type == BlockType.GOTO_URL:
+            return UrlBlock(
+                label=block_yaml.label,
+                url=block_yaml.url,
+                output_parameter=output_parameter,
+            )
 
         raise ValueError(f"Invalid block type {block_yaml.block_type}")