fix(seo): mirror the visible version chain (14 → 15 → … → 20) into the EN FAQPage JSON-LD

The visible FAQ answer used arrows while the structured-data copy spelled the
chain out with 'to', so acceptedAnswer.text was not verbatim-present on the
page. FAQ parity check now reports 8/8 on EN/DE/ES.

odoo-community-upgrade.html

@@ -418,7 +418,7 @@
                 "name": "Can we upgrade straight from Odoo 14 to Odoo 20?",
                 "acceptedAnswer": {
                   "@type": "Answer",
-                  "text": "No. It is one major version at a time: 14 to 15 to 16 to 17 to 18 to 19 to 20. Skipping a version is not a supported path. Our own migration service documents support for databases on Odoo 17, 18 and 19, main releases only — no patch releases — and older databases need a compatibility review first, which starts with a support ticket."
+                  "text": "No. It is one major version at a time: 14 → 15 → 16 → 17 → 18 → 19 → 20. Skipping a version is not a supported path. Our own migration service documents support for databases on Odoo 17, 18 and 19, main releases only — no patch releases — and older databases need a compatibility review first, which starts with a support ticket."
                 }
               },
               {