Update cors to version 2.8.3 🚀

[greenkeeperio-bot]

Hello lovely humans,

cors just published its new version 2.8.3.

State	Update 🚀
Dependency	cors
New version	2.8.3
Type	dependency

This version is not covered by your current version range.

Without accepting this pull request your project will work just like it did before. There might be a bunch of new features, fixes and perf improvements that the maintainers worked on for you though.

I recommend you look into these changes and try to get onto the latest version of cors.
Given that you have a decent test suite, a passing build is a strong indicator that you can take advantage of these changes by merging the proposed change into your project. Otherwise this branch is a great starting point for you to work on the update.

Do you have any ideas how I could improve these pull requests? Did I report anything you think isn’t right?
Are you unsure about how things are supposed to work?

There is a collection of frequently asked questions and while I’m just a bot, there is a group of people who are happy to teach me new things. Let them know.

Good luck with your project ✨

You rock!

🌴

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The new version differs by 51 commits .

• 90a7881 2.8.3
• 4fdbe3e docs: add partial history
• d603fdc Fix error when options delegate missing "methods" option
• 2c4e647 bump to 2.8.2
• 075c4b5 Send "Vary: Access-Control-Request-Headers" when dynamic allowedHeaders
• 6d2ff29 Send "Vary: Origin" when using regular expressions
• 72e7517 tests: add test for empty list of exposed headers
• f66e8a0 build: add coverage reporting
• 5ddd7fe tests: set express to test mode for tests
• b15b476 build: use shorthand package repository format
• 57d2811 build: remove author from package contributors
• fd14894 build: use shorter package description
• 4868d52 docs: remove old badge from contributing
• a12a709 docs: use standard badge set instead of nodeICO
• f3f0d14 build: update package scripts to work cross platform

There are 51 commits in total. See the full diff.

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