Update dependency stylelint-config-recommended to v15

| datasource | package                      | from   | to     |
| ---------- | ---------------------------- | ------ | ------ |
| npm        | stylelint-config-recommended | 14.0.1 | 15.0.0 |


## [v15.0.0](https://github.com/stylelint/stylelint-config-recommended/blob/HEAD/CHANGELOG.md#1500)

This release replaces four rules with broader and more capable ones that validate CSS against syntaxes defined by W3C: `at-rule-descriptor-value-no-unknown`, `at-rule-prelude-no-invalid` and `declaration-property-value-no-unknown`.

-   Removed: `stylelint` less than `16.13.0` from peer dependencies.
-   Removed: `color-no-invalid-hex` rule.
-   Removed: `function-linear-gradient-no-nonstandard-direction` rule.
-   Removed: `function-no-unknown` rule.
-   Removed: `unit-no-unknown` rule.
-   Changed: `string-no-newline` rule option to `{ ignore: ['at-rule-preludes', 'declaration-values'] }]`.
-   Added: `at-rule-descriptor-no-unknown` rule.
-   Added: `at-rule-descriptor-value-no-unknown` rule.
-   Added: `at-rule-no-deprecated` rule.
-   Added: `at-rule-prelude-no-invalid` rule.
-   Added: `declaration-property-value-keyword-no-deprecated` rule.
-   Added: `declaration-property-value-no-unknown` rule.
-   Added: `media-feature-name-value-no-unknown` rule.

Author: renovate[bot]

package.json

@@ -52,7 +52,7 @@
     "react-dom": "17.0.2",
     "strong-mock": "~8.0.1",
     "stylelint": "16.13.0",
-    "stylelint-config-recommended": "14.0.1",
+    "stylelint-config-recommended": "15.0.0",
     "stylelint-config-styled-components": "0.1.1",
     "stylelint-processor-styled-components": "1.10.0",
     "ts-node": "10.9.2",