3.1.6

[Pull 5518] - Jakartified versions update

[Pull 5525] - Adding support for private fields in `@BeanParam`

[Pull 5548] - Add JNH properties to the config

[Pull 5551] - Update EL impl

[Pull 5563] - Drop JDK 8 profiles in 3.1

[Pull 5565] - Replace synchronized blocks with Locks

[Pull 5566] - exclude static fields from POJO parsing in BeanParam

[Pull 5569] - Replace ThreadLocal with ConcurrentQueue in HttpDateFormat

[Pull 5571] - Fixed FirstByteCachingStream in JNH Connector

[Pull 5589] - Fix thread leak/invasion

[Pull 5593] - [3.1] versions update