chore(deps): update dependency aiohttp to v3.8.3

Part-of: <!44>

pyproject.toml

@@ -7,7 +7,7 @@ authors = ["Funkwhale Collective"]
 [tool.poetry.dependencies]
 python = ">=3.9,<4.0"
 aiopg = "1.3.3"
-aiohttp = "3.8.1"
+aiohttp = "3.8.3"
 click = "8.1.3"
 aioredis = "1.3.0"
 marshmallow = "~=3"