fix: update workflow schema id

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

Author: matthias-pichler

.ci/validation/src/index.ts

@@ -25,7 +25,7 @@ export module SWSchemaValidator {
   addFormats(ajv);
 
   const workflowSchemaId =
-    "https://serverlessworkflow.io/schemas/1.0.0-alpha1/workflow.json";
+    "https://serverlessworkflow.io/schemas/1.0.0-alpha1/workflow.yaml";
   const schemaPath = "../../../schema";
   export const defaultEncoding = "utf-8";