Bump sass from 1.66.1 to 1.68.0

Bumps [sass](https://github.com/sass/dart-sass) from 1.66.1 to 1.68.0.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.66.1...1.68.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -4,7 +4,7 @@
   "dependencies": {
     "esbuild": "^0.19.2",
     "govuk-frontend": "4.7.0",
-    "sass": "^1.66.1",
+    "sass": "^1.68.0",
     "puppeteer": "20.0.0"
   },
   "scripts": {

yarn.lock

@@ -702,10 +702,10 @@ safe-buffer@~5.2.0:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
 
-sass@^1.66.1:
-  version "1.66.1"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.66.1.tgz#04b51c4671e4650aa393740e66a4e58b44d055b1"
-  integrity sha512-50c+zTsZOJVgFfTgwwEzkjA3/QACgdNsKueWPyAR0mRINIvLAStVQBbPg14iuqEQ74NPDbXzJARJ/O4SI1zftA==
+sass@^1.68.0:
+  version "1.68.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.68.0.tgz#0034b0cc9a50248b7d1702ac166fd25990023669"
+  integrity sha512-Lmj9lM/fef0nQswm1J2HJcEsBUba4wgNx2fea6yJHODREoMFnwRpZydBnX/RjyXw2REIwdkbqE4hrTo4qfDBUA==
   dependencies:
     chokidar ">=3.0.0 <4.0.0"
     immutable "^4.0.0"