Fix serverlessworkflow#878 - Fix URI format in workflow schema for endpoint attribute

Signed-off-by: Ricardo Zanini <[email protected]>
Signed-off-by: Matthias Pichler <[email protected]>

Author: ricardozanini

schema/workflow.yaml

@@ -680,7 +680,7 @@ $defs:
     properties:
       uri:
         type: string
-        format: uri
+        format: uri-template
         description: The endpoint's URI.
       authentication:
         $ref: '#/$defs/authenticationPolicy'