README and benchmark for next release

update go modules

update to parquet-go/v2

add object generation support for GCS

change next release version number

Bump github.com/alecthomas/kong from 1.10.0 to 1.11.0

Bumps [github.com/alecthomas/kong](https://github.com/alecthomas/kong) from 1.10.0 to 1.11.0.
- [Commits](alecthomas/kong@v1.10.0...v1.11.0)

---
updated-dependencies:
- dependency-name: github.com/alecthomas/kong
  dependency-version: 1.11.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

update version in README to 1.29.2

schema: use field names from parquet file in raw output

update README for meta command

update go modules