Update async-tungstenite requirement from 0.12 to 0.18 in /gremlin-client

[dependabot]

Updates the requirements on async-tungstenite to permit the latest version.

Changelog

Sourced from async-tungstenite's changelog.

[0.18.0] - 2022-10-24

Changed

• Update to gio/glib 0.16.

[0.17.2] - 2022-03-23

Fixed

• The Stream implementation on WebSocketStream now implements FusedStream and will always return None after an error was returned or the stream was closed cleanly.
• Fix autobahn testsuite.

[0.17.1] - 2022-03-01

Fixed

• Fix poll_close returning WouldBlock error kind.
• Fix a couple of minor clippy warnings.

[0.17.0] - 2022-02-17

Changed

• Update to tungstenite 0.17.
• Update to gio/glib 0.15.
• Update to async-native-tls 0.4.

[0.16.1] - 2021-12-06

Fixed

• Fix connecting to URLs containing plain IPv6 addresses in brackets.

[0.16.0] - 2021-11-06

Changed

• Update to tungstenite 0.16, rusttls 0.20, tokio-rustls 0.23, etc.

[0.15.0] - 2021-09-09

Fixed

• Reduce crate package size.
• Fix and clean up autobahn tests.

Changed

• Update to tungstenite 0.15.

[0.14.0] - 2021-07-05

Changed

• Remove tokio-rustls feature and replace with tokio-rustls-webpki-roots and tokio-rustls-native-certs features that allow selecting the certificate checking backend.
• Add verbose-logging feature that enables more verbose logging via the log crate, which was enabled by default before.
• Update gio-runtime feature to glib/gio 0.14.

Added

• Make client_async_tls_with_connector_and_config() a public function to allow creating a WebSocket connection from a Stream.

... (truncated)

Commits

• 8655618 Update CHANGELOG.md for 0.18.0
• 5ca913b Update to glib/gio 0.16
• 2e61ecb Add an example of using tungstenite with a custom accept.
• 31dac03 autobahn: make timeout higher
• f5025ed Release 0.17.2
• 38bfaa4 Implement the FusedStream along with Stream
• 3c150d1 Make the semantics of Stream more reasonable
• 683385b Update the autobahn tests to match tungstenite
• d2d8744 Fix autobahn scripts
• 72fb249 Refactor similar conditional branches in WebSocketStream::poll_close
• Additional commits viewable in compare view

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