Build(deps-dev): update esbuild requirement in /server

Updates the requirements on [esbuild](https://github.com/evanw/esbuild) to permit the latest version.
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG.md)
- [Commits](evanw/esbuild@v0.27.3...v0.27.4)

---
updated-dependencies:
- dependency-name: esbuild
  dependency-version: 0.27.4
  dependency-type: direct:development
...

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

Author: dependabot[bot]

server/package.json

@@ -72,7 +72,7 @@
     "@types/js-yaml": "^4.0.9",
     "@types/node": "^25.3.5",
     "@vitest/coverage-v8": "^4.0.18",
-    "esbuild": "^0.27.3",
+    "esbuild": "^0.27.4",
     "eslint": "^10.0.3",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-prettier": "^5.5.5",