🐛 [Bug]: multi-byte AppName displays confusion

[piyongcai]

Bug Description

if you set multi-byte text for AppName， AppName displays confusion.

┌───────────────────────────────────────────────────┐
│                   零壹矩阵管理平台 V0.3                   │   <---- HERE
│                   Fiber v2.38.1                   │
│              http://127.0.0.1:10801               │
│      (bound on host 0.0.0.0 and port 10801)       │
│                                                   │
│ Handlers ........... 176  Processes ........... 1 │
│ Prefork ....... Disabled  PID ............. 14316 │
└───────────────────────────────────────────────────┘

How to Reproduce

Steps to reproduce the behavior:

1. Go to '....'
2. Click on '....'
3. Do '....'
4. See '....'

Expected Behavior

Friendly display of multi-byte text

Fiber Version

V0 - V2.38.1

Code Snippet (optional)

package main

import "github.com/gofiber/fiber/v2"
import "log"

func main() {
    app := fiber.New(fiber.Config{
        Prefork:       false,
        CaseSensitive: true,
        StrictRouting: true,
        GETOnly:       false,
        ServerHeader:  "01-Matrix",
        AppName:      "零壹矩阵管理平台 V0.3",
    })

  log.Fatal(app.Listen(":3000"))
}

Checklist:

• [X] I agree to follow Fiber's Code of Conduct.
• [X] I have checked for existing issues that describe my problem prior to opening this one.
• [X] I understand that improperly formatted bug reports may be closed without explanation.

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