Bump sass from 1.29.0 to 1.30.0 in /frontend

Bumps [sass](https://github.com/sass/dart-sass) from 1.29.0 to 1.30.0.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/dart-sass/compare/1.29.0...1.30.0)

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

frontend/package.json

@@ -17,7 +17,7 @@
         "lodash": "^4.17.20",
         "node-forge": ">=0.10.0",
         "resolve-url-loader": "^3.1.2",
-        "sass": "^1.29.0",
+        "sass": "^1.30.0",
         "sass-loader": "^10.0.5",
         "vue": "^2.6.12",
         "vue-i18n": "^8.22.1",

frontend/yarn.lock

@@ -5965,10 +5965,10 @@ sass-loader@^10.0.5:
     schema-utils "^3.0.0"
     semver "^7.3.2"
 
-sass@^1.29.0:
-  version "1.29.0"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.29.0.tgz#ec4e1842c146d8ea9258c28c141b8c2b7c6ab7f1"
-  integrity sha512-ZpwAUFgnvAUCdkjwPREny+17BpUj8nh5Yr6zKPGtLNTLrmtoRYIjm7njP24COhjJldjwW1dcv52Lpf4tNZVVRA==
+sass@^1.30.0:
+  version "1.30.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.30.0.tgz#60bbbbaf76ba10117e61c6c24f00161c3d60610e"
+  integrity sha512-26EUhOXRLaUY7+mWuRFqGeGGNmhB1vblpTENO1Z7mAzzIZeVxZr9EZoaY1kyGLFWdSOZxRMAufiN2mkbO6dAlw==
   dependencies:
     chokidar ">=2.0.0 <4.0.0"