opentelemetry-instrumentation-asyncpg: semantic convention stability migration (#4733)

* feat(asyncpg): semantic convention stability migration

Signed-off-by: emdneto <9735060+emdneto@users.noreply.github.com>

* add changelog

Signed-off-by: emdneto <9735060+emdneto@users.noreply.github.com>

* fix for docker tests

Signed-off-by: emdneto <9735060+emdneto@users.noreply.github.com>

* fix tests for _semconv

Signed-off-by: emdneto <9735060+emdneto@users.noreply.github.com>

* use only database semconv

Signed-off-by: emdneto <9735060+emdneto@users.noreply.github.com>

* fix docker tests

Signed-off-by: emdneto <9735060+emdneto@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>

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Signed-off-by: emdneto <9735060+emdneto@users.noreply.github.com>
Co-authored-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>