Restore missing x-version-update comment for com.azure.v2:azure-core dependency

Co-authored-by: jairmyree <[email protected]>

Author: Copilot

sdk/tools/azure-openrewrite/pom.xml

@@ -325,7 +325,7 @@
         <dependency>
           <groupId>com.azure.v2</groupId>
           <artifactId>azure-core</artifactId>
-          <version>2.0.0-beta.1</version>
+          <version>2.0.0-beta.1</version> <!-- {x-version-update;com.azure.v2:azure-core;dependency} -->
           <scope>provided</scope>
         </dependency>
         <dependency>