---
features:
  - |
    The use_json configuration option was added. It enables JSON formatting in
    the logs when set to True. The option is also available through the command
    line via the ``--use-json`` flag.

Add release note for use_json option
Add release note for use_json option

A recent change [1] added the use_json option to the logging
configuration. It was missing a release note, and this commit adds it.

[1] I1b7b7b9e66215e8e1c59a2c0a37cb0abaebf228a

Change-Id: I57c96c951522a2c6abf1357a18b41644b567b0b2
