[elpa] externals/compat updated (dbdd9b3de5 -> 076b96b10b)

[ELPA Syncer]

elpasync pushed a change to branch externals/compat.

      from  dbdd9b3de5 Add Emacs 28.1 to list of tested Emacs versions in 
GitHub CI
       new  f8a6172953 Ensure that all prefixed functions do not use :cond
       new  076b96b10b Ensure that compatibility conditions are always tested


Summary of changes:
 compat-26.el   |  3 ---
 compat-27.el   |  4 ----
 compat-28.el   | 36 ------------------------------------
 compat-macs.el |  6 ++++--
 4 files changed, 4 insertions(+), 45 deletions(-)