docs: update contribution guide with new Golang version and coverage requirements

docs/karpor/4-developer-guide/1-contribution-guide/2-code-contribute.md

@@ -15,19 +15,19 @@ This guide will help you get started with Karpor development.
 
 ### Prerequisites
 
-* Golang version 1.19+
+* Golang version 1.22+
 
 <details>
   <summary>Installing Golang</summary>
 
-1. Install go1.19+ from the [official website](https://go.dev/dl/). Extract the binary files and place them at a location, assuming it is located under the home directory `~/go/`, here is an example command, you should choose the correct binary file for your system.
+1. Install go1.22+ from the [official website](https://go.dev/dl/). Extract the binary files and place them at a location, assuming it is located under the home directory `~/go/`, here is an example command, you should choose the correct binary file for your system.
 
 ```
-wget https://go.dev/dl/go1.20.2.linux-amd64.tar.gz
-tar xzf go1.20.2.linux-amd64.tar.gz
+wget https://go.dev/dl/go1.22.5.linux-amd64.tar.gz
+tar xzf go1.22.5.linux-amd64.tar.gz
 ```
 
-If you would like to maintain multiple versions of golang in your local development environment, you can download the package and extract it to a location, like `~/go/go1.19.1`, and then alter the path in the command below accordingly.
+If you would like to maintain multiple versions of golang in your local development environment, you can download the package and extract it to a location, like `~/go/go1.22.1`, and then alter the path in the command below accordingly.
 
 1. Set environment variables for Golang
 
@@ -160,7 +160,7 @@ Make sure your pull request title uses the same format as the commit message sub
 
 Before merging, all testing CIs should pass:
 
-- Coverage should not drop. Currently, the pull request coverage should be at least 70%.
+- Coverage should not drop. Currently, the pull request coverage should be at least 60%.
 - Karpor uses a **CLA** for the contributor agreement. It requires you to sign for every commit before merging the pull request.
 
 ## Updating Documentation and Website

i18n/zh/docusaurus-plugin-content-docs-karpor/current/4-developer-guide/1-contribution-guide/2-code-contribute.md

@@ -15,19 +15,19 @@ title: 代码贡献指南
 
 ### 前提条件
 
-* Golang 版本 1.19+
+* Golang 版本 1.22+
 
 <details>
   <summary>安装 Golang</summary>
 
-1. 从 [官方网站](https://go.dev/dl/) 安装 golang 1.19+。解压二进制文件并放置到某个位置，假设该位置是 home 目录下的 `~/go/`，下面是一个示例命令，你应当选择适合你系统的正确二进制文件。
+1. 从 [官方网站](https://go.dev/dl/) 安装 golang 1.22+。解压二进制文件并放置到某个位置，假设该位置是 home 目录下的 `~/go/`，下面是一个示例命令，你应当选择适合你系统的正确二进制文件。
 
 ```
-wget https://go.dev/dl/go1.20.2.linux-amd64.tar.gz
-tar xzf go1.20.2.linux-amd64.tar.gz
+wget https://go.dev/dl/go1.22.5.linux-amd64.tar.gz
+tar xzf go1.22.5.linux-amd64.tar.gz
 ```
 
-如果你想在本地开发环境维护多个 golang 版本，你可以下载包并解压到某个位置，比如 `~/go/go1.19.1`，然后根据下面的命令相应地改变路径。
+如果你想在本地开发环境维护多个 golang 版本，你可以下载包并解压到某个位置，比如 `~/go/go1.22.1`，然后根据下面的命令相应地改变路径。
 
 1. 为 Golang 设置环境变量
 
@@ -160,7 +160,7 @@ Pull request 的标题将会成为合并后的 commit 信息的描述。
 
 在合并之前，所有的测试 CI 都应该通过：
 
-- 覆盖率不应该下降。当前，pull request 的覆盖率应当至少为 70%。
+- 覆盖率不应该下降。当前，pull request 的覆盖率应当至少为 60%。
 - Karpor 使用 **CLA** 作为贡献者协议。它要求你在第一次合并 pull request 之前签署。
 
 ## 更新文档和网站