docs: Document `buffer_line_height` (#14168)

`buffer_line_height` has been requested in #5590 and implemented in
#2718, however the documentation was still lacking.

Release Notes:

- N/A

oliverpool committed 2y ago

c195c4ddff9e9a1fe198794a76a404ca026008be

Parent: fd03454

Committed by GitHub <noreply@github.com> on 7/11/2024, 5:42:27 PM