build(deps): Bump dotenv in /packages/agent-os/extensions/copilot (microsoft#865)

Bumps [dotenv](https://github.com/motdotla/dotenv) from 17.3.1 to 17.4.1.
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](motdotla/dotenv@v17.3.1...v17.4.1)

---
updated-dependencies:
- dependency-name: dotenv
  dependency-version: 17.4.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

packages/agent-os/extensions/copilot/package.json

@@ -40,7 +40,7 @@
   "dependencies": {
     "@octokit/webhooks": "14.2.0",
     "axios": "1.14.0",
-    "dotenv": "17.3.1",
+    "dotenv": "17.4.1",
     "express": "5.2.1",
     "path-to-regexp": "8.4.2",
     "winston": "3.11.0"