[gnu] externals/vc-jj updated (e85f0b0062 -> 597831a319)

[ELPA Syncer]

elpasync pushed a change to branch externals/vc-jj.

      from  e85f0b0062 feat: Async support for `vc-jj-diff`
       new  e6a04b7026 docs: Improve docstrings and comments related to filesets
       new  80e82d6db8 refactor: Improve `vc-jj--filename-to-fileset` 
performance
       new  597831a319 Display `vc-jj-log-view-mode-map` in 
`vc-jj-log-view-mode` docstring


Summary of changes:
 vc-jj.el | 118 +++++++++++++++++++++++++++++++++++----------------------------
 1 file changed, 65 insertions(+), 53 deletions(-)