Merge pull request #592 from ably/591/update-websockets-dependency

[ECO-5236] Update `websockets` dependency

Author: VeskeR

poetry.lock

@@ -37,7 +37,10 @@ httpx = [
   { version = ">= 0.25.0, < 1.0", python = "^3.8" },
 ]
 h2 = "^4.1.0" # required for httx package, HTTP2 communication
-websockets = ">= 10.0, < 13.0"
+websockets = [
+  { version = ">= 10.0, < 12.0", python = "~3.7" },
+  { version = ">= 12.0, < 14.0", python = "^3.8" },
+]
 pyee = [
   { version = "^9.0.4", python = "~3.7" },
   { version = ">=11.1.0, <13.0.0", python = "^3.8" }