Merge remote-tracking branch 'upstream/master'

0.87.0 release

0.86.0 release

minor typo - trailing not leading zeroes

0.84.0 release

add sparsity to `stats` description

[skip ci]

0.82.0 release

`tojsonl`: Fix unwrap none when infering bool data

0.81.0 release

- also bumped qsv-stats from 0.5.1 to 0.5.2

Fix formatting