cli(fix): remove reference to specific version during migration (#410)

* fix: remove reference to specific version during migration

* fix: rephrase update message

Author: matheus1lva

lib/commands/migrate.js

@@ -137,9 +137,15 @@ module.exports = function migrate(
 							);
 						}
 					}
+					console.log(chalk.green(`\n✔︎ New webpack config file is at ${outputConfigPath}.`));
 					console.log(
 						chalk.green(
-							`\n ✔︎ New webpack v2 config file is at ${outputConfigPath}`
+							"✔︎ Heads up! Updating to the latest version could contain breaking changes."
+						)
+					);
+					console.log(
+						chalk.green(
+							"✔︎ Plugin and loader dependencies may need to be updated."
 						)
 					);
 				});