Make 'g' refresh package data in package menu

* lisp/emacs-lisp/package.el (package-menu--refresh): Rename from
'package-menu-refresh', make internal and non-interactive.
(package-menu-mode-map, package-menu-mode-menu, package-menu-mode)
(list-packages): Use the above.  (Bug#35504)
(package-menu-refresh): Redefine as obsolete fuction alias for
'revert-buffer'.
* doc/emacs/package.texi (Package Menu): Document it.
* etc/NEWS: Announce it.
1 job for master in 90 minutes and 1 second (queued for 4 seconds)
Status Job ID Name Coverage
  Test
failed #4122
test-all

01:30:01

 
Name Stage Failure
failed
test-all Test The script exceeded the maximum execution time set for the job
  GEN      lisp/eshell/eshell-tests.log
ELC lisp/faces-tests.elc
GEN lisp/faces-tests.log
ELC lisp/ffap-tests.elc
GEN lisp/ffap-tests.log
ELC lisp/filenotify-tests.elc
GEN lisp/filenotify-tests.log
Pulling docker image gitlab/gitlab-runner-helper:x86_64-d0b76032 ...
ERROR: Job failed: execution took longer than 1h30m0s seconds