build(deps-dev): bump @azure/functions from 2.0.0 to 3.0.0

Bumps [@azure/functions](https://github.com/Azure/azure-functions-nodejs-worker) from 2.0.0 to 3.0.0.
- [Release notes](https://github.com/Azure/azure-functions-nodejs-worker/releases)
- [Commits](Azure/azure-functions-nodejs-worker@v2.0.0...types-v3.0.0)

---
updated-dependencies:
- dependency-name: "@azure/functions"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

@@ -14,7 +14,7 @@
     "@probot/adapter-azure-functions": "^1.0.13"
   },
   "devDependencies": {
-    "@azure/functions": "^2.0.0",
+    "@azure/functions": "^3.0.0",
     "nock": "^13.2.1",
     "smee-client": "^1.2.2",
     "uvu": "^0.5.2"