Bump web_socket dependency 0.1.3 -> 0.1.5

[tempo-riz]

Fixes #355

Simply allow code 1000 like it should be by using the fix in web_socket dependency's last version 1.0.5

See https://pub.dev/packages/web_socket/changelog

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[kevmoo]

Not sure if we want to do this. If this is important for your usage, you can bump the dependency yourself.

Generally, we don't bump pkg dependencies unless the using package is using the new feature itself.