Add version to the deprecated message (#5243)

* Add version to the deprecated message

Signed-off-by: Bogdan Drutu <[email protected]>

* Update mapprovider.go

Author: bogdandrutu

config/mapprovider.go

@@ -81,9 +81,9 @@ type ChangeEvent struct {
 
 // Retrieved holds the result of a call to the Retrieve method of a Provider object.
 type Retrieved struct {
-	// Deprecated: Use NewRetrievedFromMap to initialize, and Retrieved.MergeTo to access.
+	// Deprecated: [v0.50.0] Use NewRetrievedFromMap to initialize, and Retrieved.AsMap to access.
 	*Map
-	// Deprecated: Use NewRetrievedFromMap to initialize, and Retrieved.Close to access.
+	// Deprecated: [v0.50.0] Use NewRetrievedFromMap to initialize, and Retrieved.Close to access.
 	CloseFunc
 }