bump cipherstash-client to 0.12.0

Author: coderdan

Cargo.lock

@@ -24,7 +24,7 @@ repository = "https://github.com/cipherstash/cipherstash-dynamodb"
 # and it will keep the alphabetic ordering for you.
 
 [dependencies]
-cipherstash-client = { version = "0.10", registry = "cipherstash" }
+cipherstash-client = { version = "0.12", registry = "cipherstash" }
 cipherstash-dynamodb-derive = { version = "0.7", path = "cipherstash-dynamodb-derive", registry = "cipherstash" }
 
 aws-sdk-dynamodb = "1.3.0"