Merge pull request rails#49979 from ttanimichi/patch-2

Not only `save(validate: false)` but also `save!(validate: false)` triggers callbacks

Author: skipkayhil

guides/source/active_record_callbacks.md

@@ -282,6 +282,7 @@ The following methods trigger callbacks:
 * `save`
 * `save!`
 * `save(validate: false)`
+* `save!(validate: false)`
 * `toggle!`
 * `touch`
 * `update_attribute`