[Serializer] Deprecate autowiring aliases pointing to concrete normaliz…

[ogizanagi]

Q	A
Feature PR	symfony/symfony#46663
PR author(s)	@chalasr
Merged in	6.2

[ogizanagi]

https://github.com/symfony/symfony-docs/pull/16826 might be enough to fix this (but there is the alternative to change the typehint and explicitly inject the proper object normalizer service id)

[wouterj]

I think there is nothing specifically to document about this change in 6.2. Let's continue this in #16826 (which is 4.4+).