sillyguodong 5155ec35c5

Parse external request id from request headers, and print it in access log (#22906) ...

Close: #22890.

---
### Configure in .ini file:
```ini
[log]
REQUEST_ID_HEADERS = X-Request-ID, X-Trace-Id
```

### Params in Request Header
```
X-Trace-ID: trace-id-1q2w3e4r
```

![image](https://user-images.githubusercontent.com/33891828/218665296-8fd19a0f-ada6-4236-8bdb-f99201c703e8.png)



### Log output:

![image](https://user-images.githubusercontent.com/33891828/218665225-cc242a57-4ffc-449a-a1f6-f45ded0ead60.png)

2023-03-10 09:54:32 -06:00

..

app.example.ini

Parse external request id from request headers, and print it in access log (#22906)

2023-03-10 09:54:32 -06:00