upgrade packages for aiohttp (#2874)

frameworks/Python/aiohttp/requirements.txt

@@ -1,10 +1,10 @@
-aiohttp==2.0.2
+aiohttp==2.1.0
 aiohttp-jinja2==0.13.0
 aiopg==0.13.0
-asyncpg==0.9.0
-cchardet==1.1.3
+asyncpg==0.11.0
+cchardet==2.1.0
 gunicorn==19.7.1
 psycopg2==2.7.1
-SQLAlchemy==1.1.6
+SQLAlchemy==1.1.10
 ujson==1.35
 uvloop==0.8.0