[BACKPORT]website_sale_installment_plans to 17.0

[fw-bot-adhoc]

Forward-Port-Of: #429

[roboadhoc]

[fw-bot-adhoc]

@JrAdhoc @cem-adhoc cherrypicking of pull request #429 failed.

stdout:

Auto-merging website_sale_installment_plans/README.rst
CONFLICT (add/add): Merge conflict in website_sale_installment_plans/README.rst
Auto-merging website_sale_installment_plans/__manifest__.py
CONFLICT (add/add): Merge conflict in website_sale_installment_plans/__manifest__.py
Auto-merging website_sale_installment_plans/i18n/es.po
CONFLICT (add/add): Merge conflict in website_sale_installment_plans/i18n/es.po
Auto-merging website_sale_installment_plans/views/website_templates.xml
CONFLICT (add/add): Merge conflict in website_sale_installment_plans/views/website_templates.xml

Either perform the forward-port manually (and push to this branch, proceeding as usual) or close this PR (maybe?).

In the former case, you may want to edit this PR message as well.

⚠️ after resolving this conflict, you will need to merge it via @roboadhoc.

More info at https://github.com/odoo/odoo/wiki/Mergebot#forward-port

[fw-bot-adhoc]

@JrAdhoc @cem-adhoc this forward port of #429 is awaiting action (not merged or closed).