minor symfony#20913 Global translation - Fix typo on parameter name (athib)

This PR was merged into the 7.3 branch.

Discussion
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Global translation - Fix typo on parameter name

Fix typo where `app_version` is declared but `version` is used

Commits
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9f7cc9d Fix typo on parameter name

Author: OskarStark

translation.rst

@@ -487,11 +487,11 @@ your application:
 
 .. code-block:: twig
 
-    {{ 'Application version: {version}'|trans }}
+    {{ 'Application version: {app_version}'|trans }}
     {# output: "Application version: 1.2.3" #}
 
     {# parameters passed to the message override global parameters #}
-    {{ 'Package version: {version}'|trans({'{version}': '2.3.4'}) }}
+    {{ 'Package version: {app_version}'|trans({'{app_version}': '2.3.4'}) }}
     # Displays "Package version: 2.3.4"
 
 Forcing the Translator Locale