Adding 'MessageHasBeenDeleted' hook to plugins (#22476)

* Adding 'MessageHasBeenDeleted' hook to plugins

* Remove debug logs

* Add unit test

* Bumping the required version

* Fix CI problems

* Increasing the minimum version

* go fmt

---------

Co-authored-by: Ben Schumacher <ben.schumacher@mattermost.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

server/public/plugin/plugintest/hooks.go

@@ -131,6 +131,11 @@ func (_m *Hooks) Implemented() ([]string, error) {
 	return r0, r1
 }
 
+// MessageHasBeenDeleted provides a mock function with given fields: c, post
+func (_m *Hooks) MessageHasBeenDeleted(c *plugin.Context, post *model.Post) {
+	_m.Called(c, post)
+}
+
 // MessageHasBeenPosted provides a mock function with given fields: c, post
 func (_m *Hooks) MessageHasBeenPosted(c *plugin.Context, post *model.Post) {
 	_m.Called(c, post)