build(deps): bump camelcase in /build/frontend-legacy

Bumps [camelcase](https://github.com/sindresorhus/camelcase) from 8.0.0 to 9.0.0.
- [Release notes](https://github.com/sindresorhus/camelcase/releases)
- [Commits](sindresorhus/camelcase@v8.0.0...v9.0.0)

---
updated-dependencies:
- dependency-name: camelcase
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

build/frontend-legacy/package-lock.json

@@ -54,7 +54,7 @@
     "backbone": "^1.6.1",
     "blurhash": "^2.0.5",
     "browserslist-useragent-regexp": "^4.1.3",
-    "camelcase": "^8.0.0",
+    "camelcase": "^9.0.0",
     "cancelable-promise": "^4.3.1",
     "clipboard": "^2.0.11",
     "color": "^5.0.3",