[Bug Report] element-ui 2.15.9及以上版本 theme-chalk 的仓库地址是否需要修改

### Element UI version
2.15.9

### OS/Browsers version
Windows 10 / Chrome

### Vue version
2.7.13

### Reproduction Link
https://github.com/ElemeFE/element/blob/v2.15.9/packages/theme-chalk/package.json

### Steps to reproduce
点击链接

### What is Expected?
"repository": {
"type": "git",
"url": "git https://github.com/ElemeFE/element.git"
},

### What is actually happening?
"repository": {
"type": "git",
"url": "git https://github.com/ElementUI/theme-chalk.git"
},