build(deps): bump @rails/webpacker from 5.4.0 to 5.4.2 (#348)

Bumps [@rails/webpacker](https://github.com/rails/webpacker) from 5.4.0 to 5.4.2.
- [Release notes](https://github.com/rails/webpacker/releases)
- [Changelog](https://github.com/rails/webpacker/blob/v5.4.2/CHANGELOG.md)
- [Commits](rails/webpacker@v5.4.0...v5.4.2)

---
updated-dependencies:
- dependency-name: "@rails/webpacker"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

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

package.json

@@ -2,7 +2,7 @@
   "name": "suikoden-election-2018",
   "private": true,
   "dependencies": {
-    "@rails/webpacker": ">=5.4.0",
+    "@rails/webpacker": ">=5.4.2",
     "axios": ">=0.21.1",
     "vue": ">=2.6.14",
     "vue-loader": ">=16.3.1",