Fix deprecation warning in frontend bildbuild
When running ddev npm run build:production some deprecations are displayed:
Deprecation Warning: The legacy JS API is deprecated and will be removed in Dart Sass 2.0.0.
More info: https://sass-lang.com/d/legacy-js-api
Deprecation Warning: Sass @import rules are deprecated and will be removed in Dart Sass 3.0.0.
More info and automated migrator: https://sass-lang.com/d/import
╷
1 │ $mode: production;@import "variables";
│ ^^^^^^^^^^^
╵
assets/Scss/rte.scss 1:27 root stylesheet
Deprecation Warning: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
Use color.adjust instead.
More info and automated migrator: https://sass-lang.com/d/import
╷
2 │ $light-grey: lighten($dark-grey, 10%);
│ ^^^^^^^^^^^^^^^^^^^^^^^^
╵
assets/Scss/_variables.scss 2:14 @import
assets/Scss/rte.scss 1:27 root stylesheet
Deprecation Warning: lighten() is deprecated. Suggestions:
color.scale($color, $lightness: 14.6551724138%)
color.adjust($color, $lightness: 10%)
More info: https://sass-lang.com/d/color-functions
╷
2 │ $light-grey: lighten($dark-grey, 10%);
│ ^^^^^^^^^^^^^^^^^^^^^^^^
╵
assets/Scss/_variables.scss 2:14 @import
assets/Scss/rte.scss 1:27 root stylesheet
transforming (1) assets/app.jsDeprecation Warning: The legacy JS API is deprecated and will be removed in Dart Sass 2.0.0.
More info: https://sass-lang.com/d/legacy-js-api
Deprecation Warning: Sass @import rules are deprecated and will be removed in Dart Sass 3.0.0.
More info and automated migrator: https://sass-lang.com/d/import
╷
1 │ $mode: production;@import "variables";
│ ^^^^^^^^^^^
╵
assets/Scss/app.scss 1:27 root stylesheet
Deprecation Warning: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
Use color.adjust instead.
More info and automated migrator: https://sass-lang.com/d/import
╷
2 │ $light-grey: lighten($dark-grey, 10%);
│ ^^^^^^^^^^^^^^^^^^^^^^^^
╵
assets/Scss/_variables.scss 2:14 @import
assets/Scss/app.scss 1:27 root stylesheet
Deprecation Warning: lighten() is deprecated. Suggestions:
color.scale($color, $lightness: 14.6551724138%)
color.adjust($color, $lightness: 10%)
More info: https://sass-lang.com/d/color-functions
╷
2 │ $light-grey: lighten($dark-grey, 10%);
│ ^^^^^^^^^^^^^^^^^^^^^^^^
╵
assets/Scss/_variables.scss 2:14 @import
assets/Scss/app.scss 1:27 root stylesheet