fix(devtool): spelling error in lynx-error(getSubcode->getSubCode)

Author: benb365

docs/en/api/errors/lynx-error.mdx

@@ -14,10 +14,10 @@ public int getErrorCode()
 
 Return the error code. The error code is a 3 to 4-digit number used to denote the behavior of the error. For example, code 301 indicates a loading error for image. You can refer to documentation [Error Codes](/api/errors/error-code) to learn the specific behavior each error code represents.
 
-#### getSubcode
+#### getSubCode
 
 ```java
-public int getSubcode()
+public int getSubCode()
 ```
 
 Return the error subcode. The error subcode is a 5 to 6-digit number derived from extending the error code by 2 digits. The error subcode is used to indicate the cause of the error. For example, subcode 30101 indicates that the loaded image is too large. You can refer to documentation [Error Codes](/api/errors/error-code) to learn the specific cause each error subcode represents.

docs/zh/api/errors/lynx-error.mdx

@@ -13,10 +13,10 @@ public int getErrorCode()
 
 返回错误码。错误码是一个 3 到 4 位的数字，用于表示错误的行为。例如 301 表示图片加载错误。你可以通过文档[错误码](/api/errors/error-code)来了解每个错误码代表的错误行为。
 
-#### getSubcode
+#### getSubCode
 
 ```java
-public int getSubcode()
+public int getSubCode()
 ```
 
 返回错误子码。错误子码是一个 5 到 6 位的数字，由错误码拓展 2 位而来。错误子码用于表示错误的原因。例如 30101 表示加载的图片过大。你可以通过文档[错误码](/api/errors/error-code)来了解每个错误子码代表的错误原因。