minor #14630 [Console] Added Invalid Constant (TheGarious)

This PR was merged into the 5.3-dev branch.

Discussion
----------

[Console] Added Invalid Constant

<!--

If your pull request fixes a BUG, use the oldest maintained branch that contains
the bug (see https://symfony.com/releases for the list of maintained branches).

If your pull request documents a NEW FEATURE, use the same Symfony branch where
the feature was introduced (and `5.x` for features of unreleased versions).

-->
Fixes #14622

Commits
-------

8982867 Added Invalid Constant

Author: javiereguiluz

console.rst

@@ -57,6 +57,10 @@ want a command to create a user::
             // or return this if some error happened during the execution
             // (it's equivalent to returning int(1))
             // return Command::FAILURE;
+
+            // or return this if there was invalid value during the execution
+            // (it's equivalent to returning int(2))
+            // return Command::INVALID
         }
     }
 
@@ -65,6 +69,10 @@ want a command to create a user::
     The ``Command::SUCCESS`` and ``Command::FAILURE`` constants were introduced
     in Symfony 5.1.
 
+.. versionadded:: 5.3
+
+    The ``Command::INVALID`` constants was introduced in Symfony 5.3
+
 Configuring the Command
 -----------------------