stylelint 14.8.3

Fixed: no-invalid-* end positions (#6072).
Fixed: no-duplicate-* end positions (#6047).
Fixed: no-descending-specificity end positions (#6049).
Fixed: media-feature-name-no-unknown false positives for display-mode (#6073).
Fixed: dependency on normalize-selector removed (#6068).
Fixed: at-rule-no-unknown false positives for @layer (#6093).
Fixed: no-invalid-position-at-import-rule false positives for @layer (#6094).
Fixed: length-zero-no-unit autofix for .0 values (#6098).

Thanks for the contribution! @mattxwang @andreypelykh @immitsu @playhardgopro