Update dependency stylelint to v14.9.1

This MR contains the following updates:

Package	Type	Update	Change
stylelint (source)	devDependencies	minor	14.8.2 -> 14.9.1

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Release Notes

stylelint/stylelint

v14.9.1

Compare Source

• Fixed: selector-max-specificity false positives for :nth-child (#​6140).

v14.9.0

Compare Source

• Added: import-notation rule (#​6102).
• Fixed: no-duplicate-selectors false positives for SCSS/Less nested interpolations (#​6118).
• Fixed: no-descending-specificity and selector-max-specificity false positives for :is() and :where() (#​6131).

v14.8.5

Compare Source

• Fixed: no-duplicate-selectors false positives with Less syntax (#​6111).

v14.8.4

Compare Source

• Fixed: no-duplicate-selectors error with non-standard selectors (#​6106).

v14.8.3

Compare Source

• Fixed: at-rule-no-unknown false positives for @layer (#​6093).
• Fixed: length-zero-no-unit autofix for .0 values (#​6098).
• Fixed: media-feature-name-no-unknown false positives for display-mode (#​6073).
• Fixed: no-descending-specificity end positions (#​6049).
• Fixed: no-duplicate-* end positions (#​6047).
• Fixed: no-invalid-* end positions (#​6072).
• Fixed: no-invalid-position-at-import-rule false positives for @layer (#​6094).

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