[MERGE] forward port branch saas-15 up to 97a70c2d

addons/account_cash_basis_base_account/__init__.py

addons/account_cash_basis_base_account/__manifest__.py

...ount_cash_basis_base_account/account_partial_reconcile.py

addons/account_cash_basis_base_account/account_tax.py

...count_cash_basis_base_account/views/account_tax_views.xml

addons/account_voucher/models/account_voucher.py

addons/hr_attendance/static/src/js/greeting_message.js

addons/l10n_ca/data/l10n_ca_chart_data.xml

addons/l10n_fr_pos_cert/models/account_bank_statement.py

addons/payment_stripe/models/payment.py

addons/point_of_sale/tests/test_frontend.py

addons/portal/static/src/less/website.ui.less

addons/purchase/models/purchase.py

addons/sale/models/sale.py

addons/stock/report/report_stock_forecast.xml

addons/web/static/src/less/bootstrap_overridden.less

addons/website_blog/models/website_blog.py

addons/website_blog/views/website_blog_templates.xml

addons/website_event_sale/tests/test_ui.py

doc/cla/corporate/acsone.md