date_range: Set more one company for one date range

[Andrii9090-tecnativa]

Is your feature request related to a problem?
Currently, in the date range model (date.range), you can only select one company, so you have to create many date ranges in an Odoo with multiple companies, and management becomes complicated.

Additional context
For example, I have to create three different date ranges, and I only need them in two of my companies.
Currently, I have to create six ranges of 3 periods, but it is inconvenient and will cause problems in the future when I need to update the data.

@lmignon can you help with this problem?
We can't change compnay_id (Many2one) -> company_ids(Many2many) indate.rangemodel and date.range.type` because there are many modules that depend on date_range.
Could there be a better solution?
Thanks

[lmignon]

If you change the database structure you must provide a migration script and we must dump the version to major.

[Andrii9090-tecnativa]

Hi @lmignon! Can you review this PR?

Thanks ❤️