[MIG] purchase_stock_operating_unit: Migration to 17.0

[jdidderen-nsi]

Depends on:

• [ ] https://github.com/OCA/operating-unit/pull/667
• [ ] https://github.com/OCA/operating-unit/pull/669
• [ ] https://github.com/OCA/operating-unit/pull/670
• [ ] https://github.com/OCA/operating-unit/pull/673
• [ ] https://github.com/OCA/operating-unit/pull/674

[AaronHForgeFlow]

/ocabot migration purchase_stock_operating_unit