build(deps): bump @grafana/data from 9.5.18 to 9.5.21

Bumps [@grafana/data](https://github.com/grafana/grafana/tree/HEAD/packages/grafana-data) from 9.5.18 to 9.5.21.
- [Release notes](https://github.com/grafana/grafana/releases)
- [Changelog](https://github.com/grafana/grafana/blob/main/CHANGELOG.md)
- [Commits](https://github.com/grafana/grafana/commits/v9.5.21/packages/grafana-data)

---
updated-dependencies:
- dependency-name: "@grafana/data"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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