* pr/14212:
  Polish

Closes gh-14212

Closes gh-14210

* pr/14202:
  Polish

Closes gh-14202

* gh-14190:
  Polish "OIDC issuer uri in OAuth resource server config"
  Support OIDC issuer uri in OAuth resource server config

Closes gh-14190

* gh-13865:
  Add user-info-authentication-method

Closes gh-13865

* gh-14156:
  Polish "OAuth2 client secret should not be required"
  OAuth2 client secret property should not be required

Closes gh-14156

Closes gh-14169

Closes gh-13810

Closes gh-13896

Closes gh-14145

See gh-14184

* pr/14184:
  Polish

Closes gh-14184

Closes gh-8926

Closes gh-14165

Hibernate 5.3 has deprecated the ehcache2 region factory so this commit
upgrades the integration test to use JCache instead.

This reverts commit da4624a8.

This commit fixes the ordering between `CacheAutoConfiguration` and
`HibernateJpaAutoConfiguration` so that the auto-configured
`CacheManager` is configured before Hibernate starts.

Closes gh-14181

This commit introduces a subclass of `DispatcherHandler` that only
considers the current context when looking for WebFlux infrastructure
beans.

This avoids issues where a child context (e.g. with Actuator) picks up
infrastructure beans from the parent context and exposes all endpoints
instead of getting only the ones from the current context.

Closes gh-14012

Closes gh-1789

* pr/14172:
  Polish

Closes gh-14172

This commits restores the behaviour of Spring Boot 1.x with regards to
the "trace" request param used to add the stacktrace to the model.

This was inadvertently changed so that the stacktrace would be added
if the parameter wasn't set.

Closes gh-14171

This commit adds a new auto-configuration choice for
`ClientHttpConnector`, this time using the Jetty RS HTTP client library
if available.

This is the best choice in case the application runs on a Jetty reactive
server, as both client and server will share resources.

Closes gh-14005

This commit adds the Jetty RS HTTP client to the Spring Boot
dependency management. As of SPR-15092 and SPR-17124, this HTTP
client library is supported by Spring Framework.

This commit is first step towards supporting that library as
a driver for the WebClient / ClientHttpConnector auto-configuration.

See gh-14005