v0.21.0

We're approaching summertime again ⛱️, and before going on holiday 🍹 , there is time for a new version of YAES! The main addition is the CircuitBreaker handler, which, together with the Retry handler, lets us develop resilient distributed applications using YAES 🚀

What's Changed 👍

• Widen to AutoClosable the Resource.acquire function by @rcardin in #278
• Added the CircuitBreaker handler by @rcardin in #279
• Added the Raise.tapError function by @rcardin in #281

Bugs 🐞

• fix(274): Fixed contravariance problem in the Retry handler by @rcardin in #277

Full Changelog: v0.20.0...v0.21.0