chore(deps): bump the test-versions group across 1 directory with 2 updates (#6699)

Bumps the test-versions group with 2 updates in the /integration-tests/esbuild directory: [koa](https://github.com/koajs/koa) and [openai](https://github.com/openai/openai-node).


Updates `koa` from 3.0.1 to 3.0.3
- [Release notes](https://github.com/koajs/koa/releases)
- [Changelog](https://github.com/koajs/koa/blob/master/History.md)
- [Commits](koajs/koa@v3.0.1...v3.0.3)

Updates `openai` from 6.4.0 to 6.5.0
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v6.4.0...v6.5.0)

---
updated-dependencies:
- dependency-name: koa
  dependency-version: 3.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: test-versions
- dependency-name: openai
  dependency-version: 6.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: test-versions
...

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

Author: dependabot[bot]

integration-tests/esbuild/package.json

@@ -27,7 +27,7 @@
     "esbuild": "0.25.11",
     "express": "4.21.2",
     "knex": "3.1.0",
-    "koa": "3.0.1",
-    "openai": "6.4.0"
+    "koa": "3.0.3",
+    "openai": "6.5.0"
   }
 }