Updated SHA256 for Zip file

Updated SHA256 checksum for the Zip file in the migration documentation.

Author: Molishv

articles/migrate/migrate-appliance.md

@@ -82,7 +82,7 @@ C:\>CertUtil -HashFile C:\Users\administrator\Desktop\AzureMigrateInstaller.zip
 
     | Algorithm  | Download  | SHA256  | 
     | --- | --- | --- |
-    | Zip file (693 MB)   | [Latest version](https://go.microsoft.com/fwlink/?linkid=2191847)  | e42af63e607132b3dfbd2ebbf1c86941ecb03f0a096813910dd29dde14ad4059   |
+    | Zip file (693 MB)   | [Latest version](https://go.microsoft.com/fwlink/?linkid=2191847)  | 42CF83E265D54E4D014658DAB36457C83B630A2EA22C8150AD41C607DE7A0476   |
 
 
 ## Appliance services