[chef] ChefSpec v3.2.0

[Seth Vargo < >]

Ohai Chefs!

I just released ChefSpec v3.2.0 which includes a number of important bugfixes and an awesome new matchers.

Full release notes: https://github.com/sethvargo/chefspec/releases/tag/v3.2.0

Notable changes:

- Added a new subscribes_to matcher for testing subscriptions (just like notifications)

- Ensure compatibility with Chef HEAD

- Fix edge cases around resource coverage calculations

Happy testing!

Seth Vargo

Release Engineer, Chef
@sethvargo