use token and algo from jwt header (#6416)

* use token and algo from jwt header

* change node-rsa out for jwks-rsa, reflect change in tests and add one test for coverage

* remove superfluous cache, allow jwks cache parameters to be passed to validateAuthData

* remove package lock

* regenerate package lock

* try fixing package-lock with copy from master

* manual changes for merge conflict

* whitespace

* pass options as object

* fix inconsistent variable name

Author: andrewking0207