Update stylelint in /packages/generator/app/templates from 9.2.1 to 9.4.0

[dependencies]

Dependencies.io has updated stylelint (a npm dependency in /packages/generator/app/templates) from "9.2.1" to "9.4.0".

9.4.0

• Added: bundled support for styles in template literals (#3405).
• Added: linebreaks rule (#3289).
• Added: compact formatter (#3488).
• Added: at-rule-semicolon-newline-after autofix (#3450).
• Added: block-closing-brace-newline-after autofix (#3443).
• Added: block-opening-brace-space-before autofix (#3438).
• Added: declaration-block-trailing-semicolon autofix (#3382).
• Added: declaration-colon-space-before autofix (#3445).
• Added: property-case autofix (#3448).
• Added: selector-combinator-space-after autofix (#3446).
• Added: selector-combinator-space-before autofix (#3457).
• Added: selector-list-comma-space-before autofix (#3447).
• Fixed: block-opening-brace-newline-after false positives for nested rule-sets prefixed with comments (#3383).
• Fixed: declaration-block-trailing-semicolon report of errors with the --fix option (#3493).
• Fixed: font-family-name-quotes false positives for system-ui system font (#3463).
• Fixed: keyframes-name-pattern support for raw JS RegExp (#3437).
• Fixed: media-feature-name-no-unknown false positives for level 5 names (#3397).
• Fixed: no-descending-specificity false positives for #{&} (#3420).
• Fixed: no-missing-end-of-source-newline false positives for style attributes (#3485).