JIRA: https://jira.spring.io/browse/INT-4461
Convert `byte[]` to `String` using `URF-8` by default.
Add optional evaluate methods to JsonPathUtils with a Charset to use when
converting `byte[]` to `String`.
This is not currently exposed using SpEL. It can be done, but probably not worth
the effort until somebody asks for it.
**cherry-pick to 5.0.x, 4.3.x**
* Use `BAIS`
(cherry picked from commit e987387)