Fix changelog entry for playbook_dir fix

The final version of the fix makes the addition in two places instead of
moving the single addition from one place to another

(cherry picked from commit 84e3c0ef1d)

changelogs/fragments/59548-import-playbook-plugin-dirs.yml

@@ -1,4 +1,4 @@
 bugfixes:
-- plugin loader - Move plugin loader playbook dir additions back to ``Playbook`` instead of ``PlaybookCLI``
-  to solve sub directory playbook relative plugins to be located
-  (https://github.com/ansible/ansible/issues/59548)
+- plugin loader - Restore adding plugin loader playbook dir to ``Playbook`` in
+  addition to ``PlaybookCLI`` to solve sub directory playbook relative plugins
+  to be located (https://github.com/ansible/ansible/issues/59548)