Bump express from 4.21.0 to 4.21.1 (#6704)

Bumps [express](https://github.com/expressjs/express) from 4.21.0 to 4.21.1.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.1/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.21.0...4.21.1)

---
updated-dependencies:
- dependency-name: express
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/package.json

@@ -38,7 +38,7 @@
     "cross-spawn": "^7.0.3",
     "ejs": "^3.1.10",
     "esbuild": "^0.24.0",
-    "express": "4.21.0",
+    "express": "4.21.1",
     "express-rate-limit": "^7.4.1",
     "fast-deep-equal": "^3.1.3",
     "find-root": "1.1.0",