Bump SDKVersion to 0.25.2

Author: ziyiz-amzn

Package.swift

@@ -2,16 +2,16 @@
 import PackageDescription
 
 // Current stable version of the Amazon Chime SDK for iOS
-let SDKVersion = "0.25.1"
-let SDKMediaVersion = "0.20.1"
+let SDKVersion = "0.25.2"
+let SDKMediaVersion = "0.21.0"
 let SDKMachineLearningVersion = "0.3.1"
 
 // Hosting url where the release artifacts are hosted.
 let hostingUrl = "https://amazon-chime-sdk-ios.s3.amazonaws.com"
 
 // Checksums for SDKs to verify that the hosted archive file matches the archive declared in the manifest file.
-let SDKChecksum = "a3d8e7e68a7a3d64ff1e9aeaf4538d2c97889a6ba7d0b1559b9ec8e6630dde48"
-let SDKMediaChecksum = "8235e654bf68ceb4914ae7598ea8b1cd7e02c36a5586d2ef01745e597e29f5ba"
+let SDKChecksum = "df0c01596796d34b53ddaf82d33eaad1caf8a9a0369c8a25a6fba937f96fd7fc"
+let SDKMediaChecksum = "e63fc860d8bdefdd7a5a061513a08603dc0c6865de08ddd7207cc0f9cf069309"
 let SDKMachineLearningChecksum = "d0968e47808f5c1a8b83b7383d9a76435eecf018d3b7aa2aa8a65205d212f31c"
 
 let package = Package(