Missing stylelint dependency: stylelint-config-prettier

[pbauer]

To Reproduce
Steps to reproduce the behavior:

1. Install newest generator npm install -g @plone/generator-volto@7.0.0-alpha.10
2. Create Project with Volto 17.0.0-alpha.30 yo @plone/volto --canary
3. Run yarn stylelint
4. See error

Error: Could not find "stylelint-config-prettier". Do you need the "configBasedir" or "--config-basedir" option?
    at configurationError (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/lib/utils/configurationError.js:12:49)
    at getModulePath (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/lib/utils/getModulePath.js:28:9)
    at loadExtendedConfig (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/lib/augmentConfig.js:216:21)
    at extendConfig (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/lib/augmentConfig.js:184:25)
    at augmentConfigBasic (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/lib/augmentConfig.js:57:26)
    at augmentConfigFull (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/lib/augmentConfig.js:111:30)
    at Object.transform (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/lib/getConfigForFile.js:51:37)
    at search (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/node_modules/cosmiconfig/dist/Explorer.js:47:54)
    at async Explorer.search (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/node_modules/cosmiconfig/dist/Explorer.js:71:20)
    at async getConfigForFile (/Users/pbauer/workspace/ipn/ipn-frontend/node_modules/stylelint/lib/getConfigForFile.js:62:5)

[pbauer]

Fixed with #5243