Fix aiohttp dependency constraint (#60)

Allow aiohttp>=3.9.1 instead of ~=3.9.1 to be compatible with newer versions used by Home Assistant

Author: mdz

pyproject.toml

@@ -5,7 +5,7 @@ description = "API to query and control hot tubs using the SmartTub system"
 readme = "README.md"
 requires-python = ">=3.9"
 dependencies = [
-    "aiohttp~=3.9.1",
+    "aiohttp>=3.9.1",
     "inflection~=0.5.1",
     "pyjwt>=2.10.0",
     "python-dateutil~=2.8.1"