Upgrade stylelint to v15
stylelint
v15 was released https://stylelint.io/migration-guide/to-15
Currently our upgrade is blocked by https://github.com/AndyOGo/stylelint-declaration-strict-value/pull/310
stylelint
v15 was released https://stylelint.io/migration-guide/to-15
Currently our upgrade is blocked by https://github.com/AndyOGo/stylelint-declaration-strict-value/pull/310