Still touch associations when theres no timestamp

Prior to Rails 4.0.4 when touching a object which doesn't have timestamp
attributes (updated_at / updated_on) rails would still touch all
associations. After 73ba2c14cd7d7dfb2d132b18c47ade995401736f it updates
associations but rollsback because `touch` would return nil since
there's no timestamp attribute
Revert "Merge pull request #8313 from alan/only_save_changed_has_one_objects"

This reverts commit 6e3ab3e15faf782f6a937ccf5574a4fb63e3e353, reversing
changes made to 39e07b64ce3f4bb55e60ba0266e677f8e4f4893a.

Conflicts:
	activerecord/CHANGELOG.md
	activerecord/test/cases/autosave_association_test.rb
Merge pull request #14390 from huoxito/true-touch

Still touch associations when theres no timestamp
Use rails convetions
Fix the update_versions release task
Fix task comment to match which file should be changed

[ci skip]
link to "Schema migration" Wikipedia page. Closes #14479. [ci skip]