DVC: Data Version Control - Git for Data & Models

Refer to https://dvc.org/doc/install for installation instructions.

• Update setup.cfg: typo in webhdfs_kerberos extras (#8017) @aguschin

• fs: gdrive: add gdrive_acknowledge_abuse (#8040) @efiop
• exp: init: Use persist: true if checkpoint. (#8000) @daavoo
• gc: Add support for --rev and --num. (#7971) @daavoo
• dvc queue: merge dev-task dev branch (#7976) @pmrowla
• Add --time to dvc gc and dvc exp gc (#7970) @karajan1001

• deps: bump dvc-data to 0.1.4 (#8039) @efiop
• build(deps): Bump pyinstaller from 5.0 to 5.2 (#7996) @dependabot
• build(deps-dev): Bump pylint from 2.14.4 to 2.14.5 (#8022) @dependabot
• build(deps-dev): bump mypy from 0.961 to 0.971 (#8028) @dependabot

Thanks again to @aguschin, @daavoo, @dberenbaum, @dependabot, @dependabot[bot], @efiop, @jorgeorpinel, @karajan1001, @pmrowla and @skshetry for the contributions! 🎉