minor #20936 [FrameworkBundle] fix default value for the collect_serializer_data option (xabbuh)

This PR was merged into the 7.3 branch.

Discussion
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[FrameworkBundle] fix default value for the `collect_serializer_data` option

If I don't miss anything, symfony/symfony#60069 didn't change the default value.

Commits
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4545364 fix default value for the "collect_serializer_data" option

Author: javiereguiluz

reference/configuration/framework.rst

@@ -2407,7 +2407,7 @@ Combine it with the ``collect`` option to enable/disable the profiler on demand:
 collect_serializer_data
 .......................
 
-**type**: ``boolean`` **default**: ``true``
+**type**: ``boolean`` **default**: ``false``
 
 When this option is ``true``, all normalizers and encoders are
 decorated by traceable implementations that collect profiling information about them.