Bump @azure/functions from 4.5.0 to 4.6.0

Bumps [@azure/functions](https://github.com/Azure/azure-functions-nodejs-library) from 4.5.0 to 4.6.0.
- [Release notes](https://github.com/Azure/azure-functions-nodejs-library/releases)
- [Commits](Azure/azure-functions-nodejs-library@v4.5.0...v4.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>