update the release date in changelog and update maven version in readme (#44143)

Author: arifibrahim4

sdk/communication/azure-communication-messages/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Release History
 
-## 1.2.0-beta.1 (2025-01-15)
+## 1.2.0-beta.1 (2025-02-11)
 
 ### Features Added
 - Added Interactive Message.

sdk/communication/azure-communication-messages/README.md

@@ -58,7 +58,7 @@ add the direct dependency to your project as follows.
 <dependency>
     <groupId>com.azure</groupId>
     <artifactId>azure-communication-messages</artifactId>
-    <version>1.1.0</version>
+    <version>1.2.0-beta.1</version>
 </dependency>
 ```
 [//]: # ({x-version-update-end})