Upgrade: Bump sass-loader from 12.0.0 to 12.1.0

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 12.0.0 to 12.1.0.
- [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/v12.0.0...v12.1.0)

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

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

package.json

@@ -15,7 +15,7 @@
     "postcss-loader": "^5.3.0",
     "prettier": "^2.3.0",
     "sass": "1.32.13",
-    "sass-loader": "^12.0.0",
+    "sass-loader": "^12.1.0",
     "vue-property-decorator": "^9.1.2",
     "vuepress": "^2.0.0-beta.16"
   },

yarn.lock

@@ -3605,10 +3605,10 @@ sass-loader@^11.0.1:
     klona "^2.0.4"
     neo-async "^2.6.2"
 
-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==
+sass-loader@^12.1.0:
+  version "12.1.0"
+  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-12.1.0.tgz#b73324622231009da6fba61ab76013256380d201"
+  integrity sha512-FVJZ9kxVRYNZTIe2xhw93n3xJNYZADr+q69/s98l9nTCrWASo+DR2Ot0s5xTKQDDEosUkatsGeHxcH4QBp5bSg==
   dependencies:
     klona "^2.0.4"
     neo-async "^2.6.2"