[DOCS] Resizes anomaly detection screenshot properly. (#89544) (#89552)

Author: szabosteve

docs/reference/ml/anomaly-detection/ml-configuring-alerts.asciidoc

@@ -61,7 +61,7 @@ You must select a type of {ml} result. In particular, you can create rules based
 on bucket, record, or influencer results.
 
 [role="screenshot"]
-image::images/ml-anomaly-alert-severity.jpg["Selecting result type, severity, and test interval"]
+image::images/ml-anomaly-alert-severity.jpg["Selecting result type, severity, and test interval", 500]
 
 For each rule, you can configure the `anomaly_score` that triggers the action. 
 The `anomaly_score` indicates the significance of a given anomaly compared to