Bump sass from 1.64.2 to 1.66.1 in /webapp

Bumps [sass](https://github.com/sass/dart-sass) from 1.64.2 to 1.66.1.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.64.2...1.66.1)

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

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

webapp/package.json

@@ -35,7 +35,7 @@
     "eslint": "^8.46.0",
     "eslint-plugin-vue": "^9.16.1",
     "npm-run-all": "^4.1.5",
-    "sass": "^1.64.2",
+    "sass": "^1.66.1",
     "terser": "^5.19.2",
     "typescript": "^5.1.6",
     "vite": "^4.4.9",

webapp/yarn.lock

@@ -2211,10 +2211,10 @@ 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@^1.66.1:
+  version "1.66.1"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.66.1.tgz#04b51c4671e4650aa393740e66a4e58b44d055b1"
+  integrity sha512-50c+zTsZOJVgFfTgwwEzkjA3/QACgdNsKueWPyAR0mRINIvLAStVQBbPg14iuqEQ74NPDbXzJARJ/O4SI1zftA==
   dependencies:
     chokidar ">=3.0.0 <4.0.0"
     immutable "^4.0.0"