chore(deps-dev): bump sass from 1.56.0 to 1.56.1 in /ui

Bumps [sass](https://github.com/sass/dart-sass) from 1.56.0 to 1.56.1.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.56.0...1.56.1)

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

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

ui/package.json

@@ -71,7 +71,7 @@
         "prettier": "^1.19.1",
         "raw-loader": "^0.5.1",
         "react-hot-loader": "^4.13.1",
-        "sass": "^1.56.0",
+        "sass": "^1.56.1",
         "sass-loader": "^10.1.0",
         "source-map-loader": "^1.1.3",
         "style-loader": "^0.20.1",

ui/yarn.lock

@@ -8678,10 +8678,10 @@ sass-loader@^10.1.0:
     schema-utils "^3.0.0"
     semver "^7.3.2"
 
-sass@^1.56.0:
-  version "1.56.0"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.56.0.tgz#134032075a3223c8d49cb5c35e091e5ba1de8e0a"
-  integrity sha512-WFJ9XrpkcnqZcYuLRJh5qiV6ibQOR4AezleeEjTjMsCocYW59dEG19U3fwTTXxzi2Ed3yjPBp727hbbj53pHFw==
+sass@^1.56.1:
+  version "1.56.1"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.56.1.tgz#94d3910cd468fd075fa87f5bb17437a0b617d8a7"
+  integrity sha512-VpEyKpyBPCxE7qGDtOcdJ6fFbcpOM+Emu7uZLxVrkX8KVU/Dp5UF7WLvzqRuUhB6mqqQt1xffLoG+AndxTZrCQ==
   dependencies:
     chokidar ">=3.0.0 <4.0.0"
     immutable "^4.0.0"