Fix condition type (#657)

Signed-off-by: Tomas David <[email protected]>

Signed-off-by: Tomas David <[email protected]>

Author: tomasdavidorg

specification.md

@@ -3755,7 +3755,7 @@ This is visualized in the diagram below:
 | retryableErrors | List of references to defined [workflow errors](#Defining-Errors) for which the action should be retried. Used only when `autoRetries` is set to `false` | array | no |
 | [actionDataFilter](#Action-data-filters) | Action data filter definition | object | no |
 | sleep | Defines time periods workflow execution should sleep before / after function execution | object | no |
-| [condition](#Workflow-Expressions) | Expression, if defined, must evaluate to true for this action to be performed. If false, action is disregarded | boolean | no |
+| [condition](#Workflow-Expressions) | Expression, if defined, must evaluate to true for this action to be performed. If false, action is disregarded | string | no |
 
 <details><summary><strong>Click to view example definition</strong></summary>
 <p>