Requesting for python3.14 support

[shreevathsaEK22]

` File "/app/init.py", line 16, in
json_logging.init_sanic(enable_json=True)
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^

File "/usr/local/lib/python3.14/site-packages/json_logging/init.py", line 190, in init_sanic
__init(framework_name='sanic', custom_formatter=custom_formatter, enable_json=enable_json)
~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "/usr/local/lib/python3.14/site-packages/json_logging/init.py", line 120, in __init
_current_framework'app_configurator'.config()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^

File "/usr/local/lib/python3.14/site-packages/json_logging/framework/sanic/init.py", line 42, in config
del LOGGING_CONFIG_DEFAULTS["formatters"]["generic"]["format"]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^

KeyError: 'format'
`
When the latest version of json-logging is being used in python3.14 environement, it fails with the above exception.

Can you please fix this issue?