v0.6.9 cran

Miscellaneous

• Update col_counts vignette wording, as CRAN macOS check failed. Raised the issue with the R-core team already.

What's Changed

• 886 vignette hotfix by @shajoezhu in #896
• update version to 0.6.9, [skip vbump] by @shajoezhu in #897

Full Changelog: v0.6.8...v0.6.9