[elpa] externals/vertico updated (33b178fc1c -> a2e9b1b9b0)

[ELPA Syncer]

elpasync pushed a change to branch externals/vertico.

      from  33b178fc1c README: Update comparisons
       new  9c210103c2 Revert "Remove vertico-directory--completing-file-p" 
(Fix #260)
       new  a2e9b1b9b0 vertico-exit: Allow null completion only if explicitly 
requested


Summary of changes:
 extensions/vertico-directory.el | 15 +++++++++++++--
 vertico.el                      | 10 +++++-----
 2 files changed, 18 insertions(+), 7 deletions(-)