Add missing newline after total execution time

cmd/root.go

@@ -28,7 +28,7 @@ var rootCommand = &cobra.Command{
 	},
 	PostRun: func(cmd *cobra.Command, args []string) {
 		totalTime := time.Since(startTime)
-		fmt.Printf("Total execution time: %v", totalTime)
+		fmt.Printf("Total execution time: %v\n", totalTime)
 	},
 }