Log Message:
Update devel/py-canonicaljson to 1.3.0

1.2.0:

 * JSON from the standard library is used automatically on PyPy.
 * Support for Python versions which are end-of-lifed was dropped,
   Python >= 3.5 is supported and tested in continuous integration.
 * An API to configure the underlying JSON library was added
   (set_json_library).

1.3.0:

 * The minimum version of simplejson was bumped to 3.14.0.
 * Obsolete workaround for slow encoding of Unicode characters was
   removed.
 * New APIs were added to iteratively encode JSON.