build(deps-dev): bump sass-loader from 12.4.0 to 12.6.0

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 12.4.0 to 12.6.0.
- [Release notes](https://github.com/webpack-contrib/sass-loader/releases)
- [Changelog](https://github.com/webpack-contrib/sass-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/sass-loader/compare/v12.4.0...v12.6.0)

---
updated-dependencies:
- dependency-name: sass-loader
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -14161,9 +14161,9 @@
       }
     },
     "sass-loader": {
-      "version": "12.4.0",
-      "resolved": "https://registry.npmjs.org/sass-loader/-/sass-loader-12.4.0.tgz",
-      "integrity": "sha512-7xN+8khDIzym1oL9XyS6zP6Ges+Bo2B2xbPrjdMHEYyV3AQYhd/wXeru++3ODHF0zMjYmVadblSKrPrjEkL8mg==",
+      "version": "12.6.0",
+      "resolved": "https://registry.npmjs.org/sass-loader/-/sass-loader-12.6.0.tgz",
+      "integrity": "sha512-oLTaH0YCtX4cfnJZxKSLAyglED0naiYfNG1iXfU5w1LNZ+ukoA5DtyDIN5zmKVZwYNJP4KRc5Y3hkWga+7tYfA==",
       "dev": true,
       "requires": {
         "klona": "^2.0.4",