Bump esbuild from 0.18.5 to 0.18.6 in /assets (#1555)

Bumps [esbuild](https://github.com/evanw/esbuild) from 0.18.5 to 0.18.6.
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG.md)
- [Commits](evanw/esbuild@v0.18.5...v0.18.6)

---
updated-dependencies:
- dependency-name: esbuild
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

assets/package.json

@@ -20,7 +20,7 @@
     "babel-jest": "^29.5.0",
     "babel-loader": "^9.1.2",
     "chromatic": "^6.19.7",
-    "esbuild": "^0.18.5",
+    "esbuild": "^0.18.6",
     "esbuild-plugin-path-alias": "^1.0.7",
     "eslint": "^8.43.0",
     "eslint-config-airbnb": "^19.0.4",