Bump loader-utils from 2.0.3 to 2.0.4 in /docs

Bumps [loader-utils](https://github.com/webpack/loader-utils) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/webpack/loader-utils/releases)
- [Changelog](https://github.com/webpack/loader-utils/blob/v2.0.4/CHANGELOG.md)
- [Commits](https://github.com/webpack/loader-utils/compare/v2.0.3...v2.0.4)

---
updated-dependencies:
- dependency-name: loader-utils
  dependency-type: direct:production
...

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

docs/yarn.lock

@@ -5977,9 +5977,9 @@ loader-utils@^1.0.2, loader-utils@^1.1.0, loader-utils@^1.2.3, loader-utils@^1.4
     json5 "^1.0.1"
 
 loader-utils@^2.0.0:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-2.0.3.tgz#d4b15b8504c63d1fc3f2ade52d41bc8459d6ede1"
-  integrity sha512-THWqIsn8QRnvLl0shHYVBN9syumU8pYWEHPTmkiVGd+7K5eFNVSY6AJhRvgGF70gg1Dz+l/k8WicvFCxdEs60A==
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-2.0.4.tgz#8b5cb38b5c34a9a018ee1fc0e6a066d1dfcc528c"
+  integrity sha512-xXqpXoINfFhgua9xiqD8fPFHgkoq1mmmpE92WlDbm9rNRd/EbRb+Gqf908T2DMfuHjjJlksiK2RbHVOdD/MqSw==
   dependencies:
     big.js "^5.2.2"
     emojis-list "^3.0.0"