Fix build warning causing fail on CI

[ymoussaba]

chunk 4 [mini-css-extract-plugin]
Conflicting order. Following module has been added:
 * css ./node_modules/css-loader/dist/cjs.js??ref--6-oneOf-8-1!./node_modules/postcss-loader/src??postcss!./node_modules/resolve-url-loader??ref--6-oneOf-8-3!./node_modules/craco-antd/node_modules/less-loader/dist/cjs.js??ref--6-oneOf-8-4!./node_modules/antd/lib/page-header/style/index.less
despite it was not able to fulfill desired ordering with these modules:
 * css ./node_modules/css-loader/dist/cjs.js??ref--6-oneOf-8-1!./node_modules/postcss-loader/src??postcss!./node_modules/resolve-url-loader??ref--6-oneOf-8-3!./node_modules/craco-antd/node_modules/less-loader/dist/cjs.js??ref--6-oneOf-8-4!./node_modules/antd/lib/descriptions/style/index.less
   - couldn't fulfill desired order of chunk group(s)

[ymoussaba]

Is related to : facebook/create-react-app#5372
And first raised after installing : DocSpring/craco-antd
As for now, a simple work around is : DocSpring/craco-antd#12