Homebrew: some functions ignored check_mode option (#65387)

update_homebrew and upgrade_all now support check_mode

Fixes: #65352

changelogs/fragments/65387-homebrew_check_mode_option.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - homebrew - fix Homebrew module's some functions ignored check_mode option (https://github.com/ansible/ansible/pull/65387).

lib/ansible/modules/packaging/os/homebrew.py

@@ -500,6 +500,10 @@ class Homebrew(object):
 
     # updated -------------------------------- {{{
     def _update_homebrew(self):
+        if self.module.check_mode:
+            self.changed = True
+            self.message = 'Homebrew would be updated.'
+            raise HomebrewException(self.message)
         rc, out, err = self.module.run_command([
             self.brew_path,
             'update',
@@ -526,6 +530,10 @@ class Homebrew(object):
 
     # _upgrade_all --------------------------- {{{
     def _upgrade_all(self):
+        if self.module.check_mode:
+            self.changed = True
+            self.message = 'Homebrew packages would be upgraded.'
+            raise HomebrewException(self.message)
         rc, out, err = self.module.run_command([
             self.brew_path,
             'upgrade',