minor update - correct the broken link

Author: varun-dhawan

articles/postgresql/flexible-server/release-notes.md

@@ -26,7 +26,7 @@ This page provides latest news and updates regarding feature additions, engine v
 
 ## Release: November 2022
 
-* Public preview of [Enhanced Metrics](./concepts-monitoring.md/#enhanced-metrics) for Azure Database for PostgreSQL – Flexible Server
+* Public preview of [Enhanced Metrics](./concepts-monitoring.md#enhanced-metrics) for Azure Database for PostgreSQL – Flexible Server
 * Support for [minor versions](./concepts-supported-versions.md) 14.5, 13.8, 12.12, 11.17. <sup>$</sup>
 * General availability of Azure Database for PostgreSQL - Flexible Server in China North 3 & China East 3 Regions.