build(deps-dev): bump tensorflow in /runtimes/alibi-detect

Bumps [tensorflow](https://github.com/tensorflow/tensorflow) from 2.16.2 to 2.18.1.
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/v2.18.1/RELEASE.md)
- [Commits](tensorflow/tensorflow@v2.16.2...v2.18.1)

---
updated-dependencies:
- dependency-name: tensorflow
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]