Bump clickhouse-driver from 0.2.6 to 0.2.8

Bumps [clickhouse-driver](https://github.com/mymarilyn/clickhouse-driver) from 0.2.6 to 0.2.8.
- [Changelog](https://github.com/mymarilyn/clickhouse-driver/blob/master/CHANGELOG.md)
- [Commits](mymarilyn/clickhouse-driver@0.2.6...0.2.8)

---
updated-dependencies:
- dependency-name: clickhouse-driver
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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