[18.0][OU-ADD] account

[MiquelRForgeFlow]

Depends on:

• [x] https://github.com/OCA/openupgradelib/pull/412

Depends on :

• product : #4839
• analytic : #4841
• onboarding : #4944
• portal : #4949
• digest : #4950

[MiquelRForgeFlow]

/ocabot migration account

[rvalyi]

For reference, here are the 4 key breaking changes PR and 2 main features PR for the account module in for the v18 migration: https://github.com/akretion/odoo-module-diff-analysis/tree/main/18.0/account

[hbrunn]

@MiquelRForgeFlow I'll be pushing a couple of suggestions to https://github.com/ForgeFlow/OpenUpgrade/pull/25