[nongnu] elpa/helm updated (6239110f8a -> 90ac29c651)

[ELPA Syncer]

elpasync pushed a change to branch elpa/helm.

      from  6239110f8a completions-detailed is available only after 28.1 (#2613)
       new  99148ea546 Use in-buffer for all sources in helm-packages
       new  4f6119e97a Add a class for helm-packages
       new  afc7cd8b40 Add a FCT fn for upgrade and delete helm-packages sources
       new  9bc8e78b65 Add docstrings
       new  b60a8e9cdb Fix predicate for variable in helm-apropos
       new  a23a368351 Fix one line documentation for classes
       new  db3f9e143c Fix helm-describe-class
       new  f55243cf7c No need to use cl-flet in cl--print-table advice
       new  90ac29c651 Candidates are now strings with new sources


Summary of changes:
 helm-elisp.el    |  5 +++-
 helm-lib.el      |  6 +++--
 helm-packages.el | 74 +++++++++++++++++++++++---------------------------------
 helm-source.el   | 17 ++++++-------
 4 files changed, 46 insertions(+), 56 deletions(-)