feat: support batch (getmany) in aiokafka instrumentation (#3257)
* feat: support batch (getmany) in aiokafka instrumentation
* test: fix unclosed resources and typing
* test: add test_wrap_getmany
* fix: get unique topic list in batch
* fix: update typing, run pyupgrade
* fix: remove json.dumps from SERVER_ADDRESS attribute
* fix pylint
* fix: sync span_kind with spec
* add CHANGELOG entry
* remove changes not from this issue
* move types under TYPE_CHECKING
* move CHANGELOG entry to unreleased
* enable pyright for aiokafka, fix key type
* Update CHANGELOG.md
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Co-authored-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>
Co-authored-by: Emídio Neto <9735060+emdneto@users.noreply.github.com>
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