[Security Solution][Entity Analytics][Risk Score]Changes for the confirmation message after RiskScore SO is updated (#211372)

## Summary

### **What has changed?**  
This PR updates the text in the `toast` message when the Risk Score
Saved Object configuration is modified by the user.

### **Reason for the change:**  
The update ensures compliance with the toast message guidelines: [EUI
Toast Guidelines](https://eui.elastic.co/#/display/toast/guidelines).

### **Screenshots:**

**Before:**


![image](https://github.com/user-attachments/assets/c7259b86-cd0f-44c7-a952-fa029baf11d1)


**Now:**

![Screenshot 2025-02-17 at 12 02
55 PM](https://github.com/user-attachments/assets/c2421d1e-ad20-4d60-a861-68caf2b631a5)


### Checklist

Check the PR satisfies following conditions. 

Reviewers should verify this PR satisfies this list as well.

- [x] The PR description includes the appropriate Release Notes section,
and the correct `release_note:*` label is applied per the
[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)

x-pack/solutions/security/plugins/security_solution/public/entity_analytics/translations.ts

@@ -176,7 +176,7 @@ export const RISK_SCORE_ENGINE_RUN_SUCCESS = i18n.translate(
 export const RISK_ENGINE_SAVED_OBJECT_CONFIGURATION_SUCCESS = i18n.translate(
   'xpack.securitySolution.riskScore.savedObject.configurationSuccess',
   {
-    defaultMessage: 'Risk engine Saved Object configuration updated successfully',
+    defaultMessage: 'Your configuration was updated.',
   }
 );