Limit max retries to create_ticket job to 1

CHANGELOG:

### Changed
- [#828](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/828) Limit max retries to create_ticket job to 1

Related card: https://trello.com/c/6hjLTAI0/1286-tiquets-duplicats-a-otrs

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