HTTP semantic convention stability migration for aiohttp-client

[emdneto]

Description

Part of #2453
Closes #2675

Test snippet

import os
import aiohttp
import asyncio
from opentelemetry.instrumentation.aiohttp_client import (
        AioHttpClientInstrumentor
    )
import logging

from opentelemetry import trace
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.resources import Resource
from opentelemetry.sdk.trace.export import (
    BatchSpanProcessor,
    ConsoleSpanExporter,
)
# Specify "http", "http/dup" or ""
os.environ["OTEL_SEMCONV_STABILITY_OPT_IN"] = ""
AioHttpClientInstrumentor().instrument()

logging.basicConfig(level=logging.DEBUG)

provider = TracerProvider(resource=Resource({"service.name": "aiohttp-client"}))
processor = BatchSpanProcessor(ConsoleSpanExporter())
provider.add_span_processor(processor)
trace.set_tracer_provider(provider)
tracer = trace.get_tracer(__name__)

async def main():
    async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(1)) as session:
        async with session.get('http://httpbin.org/'):
            pass

asyncio.run(main())

default

    "attributes": {
        "http.method": "GET",
        "http.url": "http://httpbin.org/",
        "http.status_code": 200
    },

new semconv

    "attributes": {
        "http.request.method": "GET",
        "url.full": "http://httpbin.org/",
        "http.response.status_code": 200
    },

http/dup

    "attributes": {
        "http.method": "GET",
        "http.request.method": "GET",
        "http.url": "http://httpbin.org/",
        "url.full": "http://httpbin.org/",
        "http.status_code": 200,
        "http.response.status_code": 200
    },

[lzchen]

LGTM! Just some non-blocking comment.s