[IMP] general integrations: outlook mail plugin version callout, 19.0 and saas-19.1

[fw-bot]

documentation task card: https://www.odoo.com/odoo/my-tasks/6001333
main PR: #16689
17.0/18.0 PR: #16713

key change @ lines 9–15:

• add callout linking to 19.2 docs for versions 19.2+
  • the new plugin is installed directly from marketplace; callout specifically requested by PO

note: this is one of 3 PRs for the task, due to diffs between 17.0/18.0 ↔ 19.0/saas-19.1

This 19.0 PR can be FWP up to saas-19.1.

Forward-Port-Of: #16714

[robodoo]

[fw-bot]

@huisit cherrypicking of pull request #16714 failed.

stdout:

Auto-merging content/applications/general/integrations/mail_plugins/outlook.rst
CONFLICT (content): Merge conflict in content/applications/general/integrations/mail_plugins/outlook.rst

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 @robodoo.

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

[huisit]

@robodoo close