Update tokio-file-unix requirement from 0.4 to 0.5

[dependabot-preview]

Updates the requirements on tokio-file-unix to permit the latest version.

Changelog

Sourced from tokio-file-unix's changelog.

0.5.1

• Add impl<F: Seek> Seek for File<F>.

0.5.0

• Migrate from tokio-core to tokio-reactor.
• Add raw_std{in,out,err} and deprecate StdFile in favor of those.

0.4.2

• Add File::get_nonblocking.

0.4.1

• Improved documentation and added another example stdin_lines.rs.

0.4.0

• Added “support” for regular files (which never block anyway).
  #2
• Constructor of File is now private.
  Use File::new_nb or File::raw_new instead.
• File is no longer Sync.
• File::set_nonblocking no longer requires &mut self, just &self.

0.3.0

• Removed fake implementations of Read and Write for StdFile.
• Upgraded to tokio-io.

0.2.0

• Added DelimCodec and StdFile.
• Generalized File.

0.1.0

• Initial release.

Commits

• 0fbc8e4 Exclude just tests/seek.txt
• b2ee2e0 Bump to 0.5.1
• 1d1bda8 Implement Seek on File
• 61ef8f8 README.md: bump version
• 342c9ea Upgrade to new Tokio
• 916fe24 Add File::get_nonblocking
• 36b0542 Document unsafe creation from FD
• 094bb0e Describe effect on regular files
• 31bbe8d Improve docs and add example
• b36f001 Documentation and example fixes
• See full diff in compare view

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