Bump rack from 2.0.7 to 2.0.8 in /omnibus

[dependabot]

Bumps rack from 2.0.7 to 2.0.8.

Changelog

Sourced from rack's changelog.

Changelog

All notable changes to this project will be documented in this file. For info on how to format all future additions to this file please reference Keep A Changelog.

Unreleased

Note: There are many unreleased changes in Rack (master is around 300 commits ahead of 2-0-stable), and below is not an exhaustive list. If you would like to help out and document some of the unreleased changes, PRs are welcome.

Added

Changed

• Use Time#httpdate format for Expires, as proposed by RFC 7231. (@​nanaya)
• Make Utils.status_code raise an error when the status symbol is invalid instead of 500.
• Rename Request::SCHEME_WHITELIST to Request::ALLOWED_SCHEMES.
• Make Multipart::Parser.get_filename accept files with + in their name.
• Add Falcon to the default handler fallbacks. (@​ioquatix)
• Update codebase to avoid string mutations in preparation for frozen_string_literals. (@​pat)
• Change MockRequest#env_for to rely on the input optionally responding to #size instead of #length. (@​janko)
• Rename Rack::File -> Rack::Files and add deprecation notice. (@​postmodern).

Removed

Documentation

• Update broken example in Session::Abstract::ID documentation. (tonytonyjan)
• Add Padrino to the list of frameworks implmenting Rack. (@​wikimatze)
• Remove Mongrel from the suggested server options in the help output. (@​tricknotes)
• Replace HISTORY.md and NEWS.md with CHANGELOG.md. (@​twitnithegirl)
• Backfill CHANGELOG.md from 2.0.1 to 2.0.7 releases. (@​drenmi)

Commits

• e7ee459 Bumping version
• f1a79b2 Introduce a new base class to avoid breaking when upgrading
• 5b1cab6 Add a version prefix to the private id to make easier to migrate old values
• 1e96e0f Fallback to the public id when reading the session in the pool adapter
• 3ba123d Also drop the session with the public id when destroying sessions
• 6a04bbf Fallback to the legacy id when the new id is not found
• dc45a06 Add the private id
• 73a5f79 revert conditionals to master
• 4e32262 remove NullSession
• 1c7e3b2 remove || raise and get closer to master
• Additional commits viewable in compare view

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