Updating Bigo Android adapter's version to 5.7.1.0

PiperOrigin-RevId: 884359403

Author: Mobile Ads Developer Relations

ThirdPartyAdapters/bigo/CHANGELOG.md

@@ -1,6 +1,11 @@
 ## Bigo Android Mediation Adapter Changelog
 
-#### Version 5.7.1.0 (In progress)
+#### Version 5.7.1.0
+- Verified compatibility with Bigo Ads SDK 5.7.1.
+
+Built and tested with:
+- Google Mobile Ads SDK version 25.0.0.
+- Bigo Ads SDK version 5.7.1.
 
 #### Version 5.7.0.0
 - Added support for forwarding the `tagForUnderAgeOfConsent` Google Mobile Ads