Build(deps-dev): Bump @embroider/webpack in the embroider group (#27453)

Bumps the embroider group with 1 update: [@embroider/webpack](https://github.com/embroider-build/embroider/tree/HEAD/packages/webpack).


Updates `@embroider/webpack` from 4.0.2 to 4.0.3
- [Release notes](https://github.com/embroider-build/embroider/releases)
- [Changelog](https://github.com/embroider-build/embroider/blob/main/CHANGELOG.md)
- [Commits](https://github.com/embroider-build/embroider/commits/HEAD/packages/webpack)

---
updated-dependencies:
- dependency-name: "@embroider/webpack"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: embroider
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

app/assets/javascripts/discourse/package.json

@@ -47,7 +47,7 @@
     "@embroider/core": "^3.4.11",
     "@embroider/macros": "^1.13.1",
     "@embroider/router": "^2.1.8",
-    "@embroider/webpack": "^4.0.2",
+    "@embroider/webpack": "^4.0.3",
     "@floating-ui/dom": "^1.6.5",
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",

yarn.lock

@@ -1577,10 +1577,10 @@
     lodash "^4.17.21"
     resolve "^1.20.0"
 
-"@embroider/webpack@^4.0.2":
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/@embroider/webpack/-/webpack-4.0.2.tgz#99c3c15e8d72e450982f63fc28830ab269211ba0"
-  integrity sha512-PNCzbrz2+CIIqVql+ByZdNWTbEnrC4edXjyrp1mP5JOfaLSaOAFoe6mluwed4C8qAdKZDa7eoSXI7jsPPdaYKA==
+"@embroider/webpack@^4.0.3":
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/@embroider/webpack/-/webpack-4.0.3.tgz#c6c77d0c6ce4094798fd0a34c5e4ff9762eaac86"
+  integrity sha512-bDjQfyI8O7xADDajfQ6IFHen4XirsNJ2Y3s0LzNw/USWYCD043G+K7wAsZ0HXfhkZKyj+uw60zeOWQuVrepWGQ==
   dependencies:
     "@babel/core" "^7.14.5"
     "@babel/preset-env" "^7.14.5"