Build(deps-dev): bump @vercel/node in /services/coloring

Bumps [@vercel/node](https://github.com/vercel/vercel/tree/HEAD/packages/node) from 2.10.0 to 2.15.2.
- [Release notes](https://github.com/vercel/vercel/releases)
- [Changelog](https://github.com/vercel/vercel/blob/main/packages/node/CHANGELOG.md)
- [Commits](https://github.com/vercel/vercel/commits/@vercel/node@2.15.2/packages/node)

---
updated-dependencies:
- dependency-name: "@vercel/node"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

services/coloring/package.json

@@ -11,7 +11,7 @@
     "vhtml": "^2.2.0"
   },
   "devDependencies": {
-    "@vercel/node": "^2.10.0",
+    "@vercel/node": "^2.15.2",
     "@types/tinycolor2": "^1.4.3",
     "typescript": "^4.9.5"
   }