refactor: move strings.Join to DeployOverview

cli/app/deploy.go

@@ -215,9 +215,9 @@ checkout as-is. Recipe commit hashes are also supported as values for
 			toDeployVersion,
 			"",
 			deployWarnMessages,
-			strings.Join(secretInfo, "\n"),
-			strings.Join(configInfo, "\n"),
-			strings.Join(imageInfo, "\n"),
+			secretInfo,
+			configInfo,
+			imageInfo,
 		); err != nil {
 			log.Fatal(err)
 		}