Bump rocket_contrib from 0.4.2 to 0.4.4

[dependabot-preview]

Bumps rocket_contrib from 0.4.2 to 0.4.4.

Release notes

Sourced from rocket_contrib's releases.

Rocket v0.4.4

See the CHANGELOG for more information.

Rocket v0.4.3

See the CHANGELOG for more information.

Changelog

Sourced from rocket_contrib's changelog.

Version 0.4.4 (Mar 09, 2020)

Core

• Removed use of unsupported cfg(debug_assertions) in Cargo.toml, allowing for builds on latest nightlies.

Docs

• Fixed various broken links.

Version 0.4.3 (Feb 29, 2020)

Core

• Added a new Debug 500 Responder that Debug-prints its contents on response.
• Specialization on Result was deprecated. Debug can be used in place of non-Responder errors.
• Fixed an issue that resulted in cookies not being set on error responses.
• Various Debug implementations on Rocket types now respect formatting options.
• Added Responders for various HTTP status codes: NoContent, Unauthorized, Forbidden, and Conflict.
• FromParam is implemented for NonZero core types.

Codegen

• Docs for Rocket-generated macros are now hidden.
• Generated code now works even when prelude imports like Some, Ok, and Err are shadowed.
• Error messages referring to responder types in routes now point to the type correctly.

Docs

• All code examples in the guide are now tested and guaranteed to compile.
• All macros are documented in the core crate; rocket_codegen makes no appearances.

Infrastructure

• CI was moved from Travis to Azure Pipelines; Windows support is tested.
• Rocket's chat moved to [Matrix] and [Freenode].

... (truncated)

Commits

• 807e3b8 New version: 0.4.4.
• d559f09 Update UI tests for latest nightly.
• 635a4bd Fix more broken links.
• cba00ec Fix an array of broken doc links.
• 0ee3205 Remove double semicolons; silence test warnings.
• 2b9c419 Remove [target.'cfg(debug_assertions)'.dependencies] in contrib Cargo.toml.
• 7446707 Fix 0.4.3 release year in CHANGELOG.
• 60623e8 Fix UI tests for macOS CI.
• b3d65b0 New version: 0.4.3.
• e2213d0 Prefix release codenames with 'v'.
• Additional commits viewable in compare view

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