Update async-tungstenite requirement from 0.12 to 0.16 in /gremlin-client

[dependabot]

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

Changelog

Sourced from async-tungstenite's changelog.

[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.

[0.13.1] - 2021-03-23

Fixed

• The connect API using the tokio-openssl TLS implementation was broken in previous versions as no TLS connection was established before trying to establish the WebSocket connection. As such, connections always failed. Technically this is a breaking change when using this feature but in practice this a) wouldn't have worked anyway and b) it's unlikely someone uses the API in a way that would stop compiling now.

[0.13.0] - 2021-02-13

Changed

• Updated to tungstenite 0.13

[0.12.0] - 2021-01-09

Changed

• Updated tungstenite to version 0.12
• Migrated from pin-project to pin-project-lite
• TokioAdapter is now created via TokioAdapter::new

[0.11.0] - 2020-12-30

Changed

• Updated tokio to version 1.0
• Updated async-tls to version 0.11

[0.10.0] - 2020-10-22

... (truncated)

Commits

• 558d0af Update CHANGELOG.md for 0.16.0
• 64f60d8 Upgrade to rustls 0.20 / tungstenite 0.16
• 2cc6125 Update to version 0.15.0
• ee6c24d Update to tungstenite 0.15
• e1ef88d Update to tungstenite 0.14 and env_logger 0.9
• f69a7fa Use 127.0.0.1 in tests to avoid firewall warnings
• 714e096 tests: fix confusing wrong paths in the scripts
• 1c9e7ea tests: use autobahn test suite as docker image
• fcb209d Reduce crate package size
• 15adbdf Fix formatting
• Additional commits viewable in compare view

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[dependabot]

Superseded by #151.