Update http requirement from ~> 0.9 to >= 0.9, < 5.0

[dependabot-preview]

Updates the requirements on http to permit the latest version.

Changelog

Sourced from http's changelog.

4.0.0 (2018-10-15)

• #468
  Rewind HTTP::Request::Body#source once #each is complete.
  ([ixti])

• #467
  Drop Ruby 2.2 support.
  ([ixti])

• #436
  Raise ConnectionError when writing to socket fails.
  ([janko-m])

• #438
  Expose HTTP::Request::Body#source.
  ([janko-m])

• #446
  Simplify setting a timeout.
  ([mikegee])

• #451
  Reduce memory usage when reading response body.
  ([janko-m])

• #458
  Extract HTTP::Client#build_request method.
  ([tycoon])

• #462
  Fix HTTP::Request#headline to allow two leading slashes in path.
  ([scarfacedeb])

• #454
  #464
  #384
  Fix #readpartial not respecting max length argument.
  ([janko-m], [marshall-lee])

3.3.0 (2018-04-25)

This version backports some of the fixes and improvements made to development
version of the HTTP gem:

• #458
  Extract HTTP::Client#build_request method.
  ([tycoon])

... (truncated)

Commits

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