Bump tests/neurobagel_examples from 5690cd4 to c9e9c35 (#421)

Bumps [tests/neurobagel_examples](https://github.com/neurobagel/neurobagel_examples) from `5690cd4` to `c9e9c35`.
- [Commits](neurobagel/neurobagel_examples@5690cd4...c9e9c35)

---
updated-dependencies:
- dependency-name: tests/neurobagel_examples
  dependency-type: direct:production
...

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