build(deps-dev): bump @types/express from 4.17.14 to 4.17.15 (#974)

Bumps [@types/express](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/express) from 4.17.14 to 4.17.15.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/express)

---
updated-dependencies:
- dependency-name: "@types/express"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -50,7 +50,7 @@
   },
   "devDependencies": {
     "@koa/cors": "^4.0.0",
-    "@types/express": "^4.17.14",
+    "@types/express": "^4.17.15",
     "@types/express-session": "^1.17.5",
     "@types/form-data": "^2.5.0",
     "@types/jest": "^29.2.4",