Bump @tootallnate/once and teeny-request in /infra/bigquery-export/src (#274)

Removes [@tootallnate/once](https://github.com/TooTallNate/once). It's no longer used after updating ancestor dependency [teeny-request](https://github.com/googleapis/google-cloud-node-core/tree/HEAD/packages/teeny-request). These dependencies need to be updated together.


Removes `@tootallnate/once`

Updates `teeny-request` from 10.1.0 to 10.1.2
- [Release notes](https://github.com/googleapis/google-cloud-node-core/releases)
- [Changelog](https://github.com/googleapis/google-cloud-node-core/blob/main/packages/teeny-request/CHANGELOG.md)
- [Commits](https://github.com/googleapis/google-cloud-node-core/commits/teeny-request-v10.1.2/packages/teeny-request)

---
updated-dependencies:
- dependency-name: "@tootallnate/once"
  dependency-version: 
  dependency-type: indirect
- dependency-name: teeny-request
  dependency-version: 10.1.2
  dependency-type: indirect
...

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

Author: dependabot[bot]