minor #14092 Fix debug:container command (l-vo)

This PR was merged into the 5.1 branch.

Discussion
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Fix debug:container command

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Commits
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5892dfb Fix debug:container command

Author: xabbuh

components/phpunit_bridge.rst

@@ -336,7 +336,7 @@ the compiling and warming up of the container:
 
 .. code-block:: terminal
 
-    $ debug:container --deprecations
+    $ php bin/console debug:container --deprecations
 
 .. versionadded:: 5.1