[elpa] externals/compat updated (cab0e8d7c3 -> ecf53005ab)

[ELPA Syncer]

elpasync pushed a change to branch externals/compat.

      from  cab0e8d7c3 CI: Update actions/checkout
       new  6cca459f1d compat.texi: Document development/release practices in 
the manual
       new  bf21ecfa79 Make `make check` work with BSD grep and sed
       new  b6dab0f8f3 compat-macs: Be explicit about the intended usage of 
compat-macs
       new  ecf53005ab Whitespace fix


Summary of changes:
 Makefile       |  6 +++---
 compat-macs.el | 13 +++++++------
 compat.texi    | 21 +++++++++++++++++----
 3 files changed, 27 insertions(+), 13 deletions(-)