Bump tungstenite from 0.21.0 to 0.23.0

[dependabot[bot]]

Bumps tungstenite from 0.21.0 to 0.23.0.

Changelog

Sourced from tungstenite's changelog.

0.23.0

• Disable default features for rustls giving the user more flexibility.

0.22.0

• Make url optional.
• Add a builder for convenient headers and subprotocols construction.
• Update rustls dependency.

Commits

• bef231d Prepare 0.23.0 release
• 2ebcc1f Update CHANGELOG
• 0e25483 Set default-features = false for rustls (#427)
• 9d12773 Update CHANGELOG
• ec0e3b9 deps: update rustls
• c21281a Make url as feature and bump version (#419)
• 564f10a Merge pull request #363 from shotover/master
• 734234a Update tests/handshake.rs
• ac3ce4d Merge pull request #1 from Its-Just-Nans/master
• 60c50cd handshake(server): Make 'create_response_with_body' function more generic
• Additional commits viewable in compare view

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