build(deps): bump http-proxy-middleware from 2.0.3 to 2.0.4 in /web

Bumps [http-proxy-middleware](https://github.com/chimurai/http-proxy-middleware) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/chimurai/http-proxy-middleware/releases)
- [Changelog](https://github.com/chimurai/http-proxy-middleware/blob/master/CHANGELOG.md)
- [Commits](https://github.com/chimurai/http-proxy-middleware/compare/v2.0.3...v2.0.4)

---
updated-dependencies:
- dependency-name: http-proxy-middleware
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

web/package.json

@@ -16,7 +16,7 @@
     "customize-cra": "^1.0.0",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-prettier": "^4.0.0",
-    "http-proxy-middleware": "^2.0.3",
+    "http-proxy-middleware": "^2.0.4",
     "less": "^4.1.2",
     "less-loader": "^7.3.0",
     "prettier": "^2.5.1",