D8148: revlog-compression: update the config to be a list

[pulkit (Pulkit Goyal)]

pulkit added a comment.


  In D8148#121295 <https://phab.mercurial-scm.org/D8148#121295>, @pulkit wrote:
  
  > Looks good to me, can you add an entry to `relnotes/next`?
  
  still missing the release notes entry.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D8148/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D8148

To: marmoute, #hg-reviewers, mharbison72
Cc: mharbison72, pulkit, mercurial-devel