Bump sass from 1.64.2 to 1.68.0

Bumps [sass](https://github.com/sass/dart-sass) from 1.64.2 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@1.64.2...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

@@ -5,7 +5,7 @@
     "dfe-autocomplete": "github:DFE-Digital/dfe-autocomplete",
     "esbuild": "^0.18.17",
     "govuk-frontend": "^4.6.0",
-    "sass": "^1.64.2"
+    "sass": "^1.68.0"
   },
   "scripts": {
     "build": "esbuild app/javascript/*.* --target=ie11 --bundle --sourcemap --outdir=app/assets/builds",

yarn.lock

@@ -1546,10 +1546,10 @@ safe-regex-test@^1.0.0:
     get-intrinsic "^1.1.3"
     is-regex "^1.1.4"
 
-sass@^1.64.2:
-  version "1.64.2"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.64.2.tgz#0d9805ad6acf31c59c3acc725fcfb91b7fcc6909"
-  integrity sha512-TnDlfc+CRnUAgLO9D8cQLFu/GIjJIzJCGkE7o4ekIGQOH7T3GetiRR/PsTWJUHhkzcSPrARkPI+gNWn5alCzDg==
+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"