Bump rack-cors from 1.0.2 to 1.0.5

[dependabot[bot]]

Bumps rack-cors from 1.0.2 to 1.0.5.

Changelog

Sourced from rack-cors's changelog.

1.0.5 - 2019-11-14

Changed

• Update Gem spec to require rack >= 1.6.0

1.0.4 - 2019-11-13

Security

• Escape and resolve path before evaluating resource rules (thanks to Colby Morgan)

1.0.3 - 2019-03-24

Changed

• Don't send 'Content-Type' header with pre-flight requests
• Allow ruby array for vary header config

Commits

• b704fda Up rack requirement
• baa02d2 Updating Gems to hopefully get rid of alerts in GH
• a5e8546 Reduce default max_age to a more sensible value
• e4d4fc3 Unescape and resolve paths before resource checks
• 145a5df [CI] Test against Ruby 2.6
• f77f89f Version 1.0.3
• ddcf819 Clean up gemspec
• 5fed623 Update rack gem
• 1137201 Update Rails4 example
• c62c484 Remove unnecessary :require option from Gemfile example
• Additional commits viewable in compare view

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