Use ovh version 1.1.0 to handle API request

[Shimrockx]

This pull request address the issue #19.

Fixing the following traceback :

Traceback (most recent call last):
  File "/etc/dehydrated/hooks/ovh/hook.py", line 199, in <module>
    main(sys.argv[1:])
  File "/etc/dehydrated/hooks/ovh/hook.py", line 195, in main
    ops[action](args)
  File "/etc/dehydrated/hooks/ovh/hook.py", line 109, in create_txt_record
    refresh_ovh_dns_zone(domain)
  File "/etc/dehydrated/hooks/ovh/hook.py", line 89, in refresh_ovh_dns_zone
    client.post('/domain/zone/{0}/refresh'.format(domain))
  File "/usr/local/lib/python3.9/dist-packages/ovh/client.py", line 320, in post
    return self.call('POST', _target, kwargs, _need_auth)
  File "/usr/local/lib/python3.9/dist-packages/ovh/client.py", line 401, in call
    raise InvalidResponse("Failed to decode API response", error)
ovh.exceptions.InvalidResponse: ('Failed to decode API response', JSONDecodeError('Expecting value: line 1 column 1 (char 0)'))