Migration to version 17.0

[OCA-git-bot]

Todo

https://github.com/OCA/maintainer-tools/wiki/Migration-to-version-17.0

Modules to migrate

• donation_mass
• donation_stay
• mass
• stay
• stay_report_py3o

Missing module? Check https://github.com/OCA/maintainer-tools/wiki/%5BFAQ%5D-Missing-modules-in-migration-issue-list