Release 4.4.3

This release does not change results of axe-core. Instead it gets rid of a warning when axe-core is installed with NPM using older versions of NodeJS. We also added a missing type definition when using axe.configure() in TypeScript.

Bug Fixes

• axe.d.ts: updates type definition for Rule to add reviewOnFail (#3521) (afb2478)
• Continue supporting Node >=4 (#3538) (da7923b), closes #3537