build(deps-dev): bump dbldatagen from 0.3.4.post1 to 0.3.5

Bumps [dbldatagen](https://github.com/databrickslabs/data-generator) from 0.3.4.post1 to 0.3.5.
- [Release notes](https://github.com/databrickslabs/data-generator/releases)
- [Changelog](https://github.com/databrickslabs/dbldatagen/blob/master/CHANGELOG.md)
- [Commits](databrickslabs/dbldatagen@release/v0.3.4post1...release/v0.3.5)

---
updated-dependencies:
- dependency-name: dbldatagen
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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