Closes gh-13500

* pr/13487:
  Polish CachesEndpoint

Closes gh-13487

* pr/13484:
  Polish HibernateProperties and its test

Closes gh-13484

* pr/13473:
  Reduce object creation in findMatchingItemMetadata()

Closes gh-13473

Closes gh-13479

Closes gh-13477

Closes gh-13476

* pr/13438:
  Polish "Exclude JUnit from json-simple"
  Exclude JUnit from json-simple

Closes gh-13438

See gh-13438

Closes gh-13461

Closes gh-13457

Closes gh-13458

Closes gh-13455

Closes gh-13456

This commit configures the new X-Forwarded-* / Forwarded HTTP headers
support with Reactor Netty in its 0.8.0 version.

Closes gh-10900

Closes gh-13468

Closes gh-13467

Closes gh-13466

Closes gh-13465