minor #16864 [FrameworkBundle] Document the framework.profiler.collect_serializer_data option (chalasr)

This PR was merged into the 6.1 branch.

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[FrameworkBundle] Document the `framework.profiler.collect_serializer_data` option

Documents the option added in symfony/symfony#46625.

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e33e717 [FrameworkBundle] Document the `framework.profiler.collect_serializer_data` option

Author: javiereguiluz

reference/configuration/framework.rst

@@ -1293,6 +1293,17 @@ dsn
 
 The DSN where to store the profiling information.
 
+.. _collect_serializer_data:
+
+collect_serializer_data
+.......................
+
+**type**: ``boolean`` **default**: ``false``
+
+This option enables the serializer data collector and profiler panel. If set
+to ``true``, all normalizers and encoders are decorated by traceable implementations
+that are meant to collect profiling information about them.
+
 rate_limiter
 ~~~~~~~~~~~~