Bump sass-loader from 12.4.0 to 12.6.0 (#16596)

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>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -90,7 +90,7 @@
     "markdown-loader": "^6.0.0",
     "prettier": "^2.5.1",
     "sass": "1.49.7",
-    "sass-loader": "^12.4.0",
+    "sass-loader": "^12.6.0",
     "storybook-addon-jsx": "^7.3.14",
     "style-loader": "^2.0.0",
     "svgo": "2.8.0",

yarn.lock

@@ -14577,10 +14577,10 @@ sass-loader@10.1.1:
     schema-utils "^3.0.0"
     semver "^7.3.2"
 
-sass-loader@^12.4.0:
-  version "12.4.0"
-  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-12.4.0.tgz#260b0d51a8a373bb8e88efc11f6ba5583fea0bcf"
-  integrity sha512-7xN+8khDIzym1oL9XyS6zP6Ges+Bo2B2xbPrjdMHEYyV3AQYhd/wXeru++3ODHF0zMjYmVadblSKrPrjEkL8mg==
+sass-loader@^12.6.0:
+  version "12.6.0"
+  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-12.6.0.tgz#5148362c8e2cdd4b950f3c63ac5d16dbfed37bcb"
+  integrity sha512-oLTaH0YCtX4cfnJZxKSLAyglED0naiYfNG1iXfU5w1LNZ+ukoA5DtyDIN5zmKVZwYNJP4KRc5Y3hkWga+7tYfA==
   dependencies:
     klona "^2.0.4"
     neo-async "^2.6.2"