Bump sass-loader from 12.1.0 to 12.2.0 in /frontend

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 12.1.0 to 12.2.0.
- [Release notes](https://github.com/webpack-contrib/sass-loader/releases)
- [Changelog](https://github.com/webpack-contrib/sass-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/sass-loader/compare/v12.1.0...v12.2.0)

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

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

frontend/package.json

@@ -18,7 +18,7 @@
         "postcss": "^8.1.14",
         "resolve-url-loader": "^4.0.0",
         "sass": "^1.43.2",
-        "sass-loader": "^12.0.0",
+        "sass-loader": "^12.2.0",
         "vue-i18n": "^8.24.2",
         "vue-loader": "^15",
         "vue-template-compiler": "^2.6.12",

frontend/yarn.lock

@@ -5675,10 +5675,10 @@ safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1,
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
-sass-loader@^12.0.0:
-  version "12.1.0"
-  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-12.1.0.tgz#b73324622231009da6fba61ab76013256380d201"
-  integrity sha512-FVJZ9kxVRYNZTIe2xhw93n3xJNYZADr+q69/s98l9nTCrWASo+DR2Ot0s5xTKQDDEosUkatsGeHxcH4QBp5bSg==
+sass-loader@^12.2.0:
+  version "12.2.0"
+  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-12.2.0.tgz#b370010fb0ababae2ef9c6c89e05d6c6debc6042"
+  integrity sha512-qducnp5vSV+8A8MZxuH6zV0MUg4MOVISScl2wDTCAn/2WJX+9Auxh92O/rnkdR2bvi5QxZBafnzkzRrWGZvm7w==
   dependencies:
     klona "^2.0.4"
     neo-async "^2.6.2"