fix(aiohttp): remove support for older versions of aiohttp

Signed-off-by: Cagri Yonca <cagri@ibm.com>

Author: CagriYonca

tests/requirements.txt

@@ -1,7 +1,6 @@
 -r requirements-minimal.txt
 aioamqp>=0.15.0
 aiofiles>=0.5.0
-aiohttp<=3.10.11; python_version <= "3.8"
 aiohttp>=3.8.3; python_version > "3.8"
 aio-pika>=9.5.2
 boto3>=1.17.74