Update Symfony links (#3347)

* ibexa_dxp_v3.3.md: Update Flex recipes link
* workflow_api.md: Update Symfony workflow link

Author: adriendupuis

docs/content_management/workflow/workflow_api.md

@@ -8,7 +8,7 @@ You can manage [workflows](workflow.md) with PHP API by using [`WorkflowServiceI
 
 ## Workflow service
 
-Workflow uses the Symfony [Workflow Component]([[= symfony_doc =]]/components/workflow.html),
+Workflow uses the Symfony [Workflow Component]([[= symfony_doc =]]/workflow.html),
 extended in the workflow service.
 
 The service implements the following methods:

docs/release_notes/ibexa_dxp_v3.3.md

@@ -20,7 +20,7 @@ This release brings a completely reconstructed user interface of the Personaliza
 
 ### Symfony Flex
 
-[[= product_name =]] is now installed using [Symfony Flex]([[= symfony_doc =]]/quick_tour/flex_recipes.html).
+[[= product_name =]] is now installed using [Symfony Flex](https://symfony.com/tour/flex-recipes).
 
 See [the updated installation instruction](https://doc.ibexa.co/en/3.3/getting_started/install_ez_platform/) for a new guide to installing the product.