docs: update docusaurus to v3 (#5625)

* update dependencies

* update onboarding mdx

* fixes for mdx issues

* fixes for mdx compatibility

* resolve mdx errors

* fixes in reference

* fix check errors

* revert change in vale action

* fix node version in action

* fix summary in markdown

www/apps/docs/content/references/services/interfaces/PriceSetMoneyAmountDTO.mdx

@@ -22,7 +22,7 @@ A price set money amount's data.
   },
   {
     "name": "money_amount",
-    "type": "[`MoneyAmountDTO`](MoneyAmountDTO.mdx)",
+    "type": "[MoneyAmountDTO](MoneyAmountDTO.mdx)",
     "description": "The money amount associated with the price set money amount. It may only be available if the relation `money_amount` is expanded.",
     "optional": true,
     "defaultValue": "",
@@ -31,7 +31,7 @@ A price set money amount's data.
   },
   {
     "name": "price_rules",
-    "type": "[`PriceRuleDTO`](PriceRuleDTO.mdx)[]",
+    "type": "[PriceRuleDTO](PriceRuleDTO.mdx)[]",
     "description": "",
     "optional": true,
     "defaultValue": "",
@@ -40,7 +40,7 @@ A price set money amount's data.
   },
   {
     "name": "price_set",
-    "type": "[`PriceSetDTO`](PriceSetDTO.mdx)",
+    "type": "[PriceSetDTO](PriceSetDTO.mdx)",
     "description": "The price set associated with the price set money amount. It may only be available if the relation `price_set` is expanded.",
     "optional": true,
     "defaultValue": "",