Fixes links in Obs release notes

Updated references for the save button and Synthetics monitor filters in release notes.

Author: florent-leborgne

release-notes/elastic-observability/index.md

@@ -25,14 +25,14 @@ To check for security updates, go to [Security announcements for the Elastic sta
 
 ### Enhancements [elastic-observability-9.1.4-enhancements]
 
-* Save button is disabled in user-specific system prompt flyout when there's no input [#231562]({{kib-pull}}2301562).
+* Save button is disabled in user-specific system prompt flyout when there's no input [#233184]({{kib-pull}}233184).
 
 
 ## 9.1.3 [elastic-observability-9.1.3-release-notes]
 
 ### Fixes [elastic-observability-9.1.3-fixes]
 
-* Fixes Synthetics monitor filters [#231562]({{kib-pull}}2301562).
+* Fixes Synthetics monitor filters [#231562]({{kib-pull}}231562).
 
 ## 9.1.2 [elastic-observability-9.1.2-release-notes]
 
@@ -275,4 +275,4 @@ There are no user-facing changes in the 9.0.7 release.
 * Updates the `Close project` navigation label to `Log out` to better reflect the intended action for users in serverless environments [#211463]({{kib-pull}}211463)
 * Fixes an issue where clicking a name badge for a synthetics monitor led to a page that failed to load monitor details [#210695]({{kib-pull}}210695)
 * Fixes code scanning alert no. 456: Incomplete string escaping or encoding [#193909]({{kib-pull}}193909)
-* Fixes code scanning alert: Incomplete string escaping or encoding [#193365]({{kib-pull}}193365)
+* Fixes code scanning alert: Incomplete string escaping or encoding [#193365]({{kib-pull}}193365)