Bump sass-loader from 11.1.1 to 12.0.0

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 11.1.1 to 12.0.0.
- [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/v11.1.1...v12.0.0)

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

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

package.json

@@ -43,7 +43,7 @@
     "pug-loader": "^2.4.0",
     "pug-static-loader": "2.0.0",
     "raw-loader": "4.0.2",
-    "sass-loader": "^11.1.1",
+    "sass-loader": "^12.0.0",
     "shelljs": "0.8.4",
     "source-code-pro": "^2.38.0",
     "source-sans-pro": "3.6.0",

yarn.lock

@@ -7255,10 +7255,10 @@ sass-graph@2.2.5:
     scss-tokenizer "^0.2.3"
     yargs "^13.3.2"
 
-sass-loader@^11.1.1:
-  version "11.1.1"
-  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-11.1.1.tgz#0db441bbbe197b2af96125bebb7f4be6476b13a7"
-  integrity sha512-fOCp/zLmj1V1WHDZbUbPgrZhA7HKXHEqkslzB+05U5K9SbSbcmH91C7QLW31AsXikxUMaxXRhhcqWZAxUMLDyA==
+sass-loader@^12.0.0:
+  version "12.0.0"
+  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-12.0.0.tgz#ba91df5725cb9676c8e0937002a647ab011eb94a"
+  integrity sha512-LJQMyDdNdhcvoO2gJFw7KpTaioVFDeRJOuatRDUNgCIqyu4s4kgDsNofdGzAZB1zFOgo/p3fy+aR/uGXamcJBg==
   dependencies:
     klona "^2.0.4"
     neo-async "^2.6.2"