chore(deps-dev): bump sass from 1.32.13 to 1.64.2 in /www/webapp

Bumps [sass](https://github.com/sass/dart-sass) from 1.32.13 to 1.64.2.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sass/dart-sass/compare/1.32.13...1.64.2)

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

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

www/webapp/package.json

@@ -30,7 +30,7 @@
     "eslint-plugin-import": "^2.27.5",
     "eslint-plugin-vue": "^9.8.0",
     "eslint-plugin-vuetify": "^1.1.0",
-    "sass": "~1.32.13",
+    "sass": "~1.64.2",
     "sass-loader": "^13.2.0",
     "vue-cli-plugin-vuetify": "^2.5.8",
     "vue-template-compiler": "^2.7.14",