Fix easy-my-coop version in setup.py
Technical requirements
EMC raise a new version with breaking changes, and we need to fix the version that we are using.
These changes break the modifications made by this module in the Subscription Request view and other modifications over the module.
CHANGELOG:
### Added
- [#782](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/782) Fix EasyMyCoop version to 12.0.3.0.2.99.dev2 to aboid breaking changes.
Edited by Pelayo García