fix: Add double string

main.go

@@ -10,6 +10,7 @@ import (
 func main() {
 	username := gha.GetInput("username")
 	fmt.Printf("username is %s\n", username)
+	fmt.Printf("username is %s\n", username)
 
 	gha.SetOutput("time", time.Now().Format("2024-01-02 15:04:05"))
 }