Downgrade the `spring-boot-maven-plugin` maven version to 3.3.

Closes gh-14464

The milestone name and tag name can be different if the release type
is ".RELEASE".

Make `ResourceHandlerRegistrationCustomizer` a public top level class.

Closes gh-14587

Update `OnWebApplicationCondition` to be an
`AutoConfigurationImportFilter` and filter out classes early.

Closes gh-13328

Update the auto-configuration annotation processor to generate
properties for `@OnWebApplication`.

See gh-13328

Update `OnBeanCondition` to be an `AutoConfigurationImportFilter` and
filter out classes early.

See gh-13328

Update the auto-configuration annotation processor to generate
properties for `@ConditionalOnBean` and `@ConditionalOnSingleCandidate`.

See gh-13328

Add `FilteringSpringBootCondition` base class and refactor the existing
`OnClassCondition` to use it. Also update the `match` method so that
the `autoConfigurationClasses` array may include `null` elements.

See gh-13328

See gh-14575

Closes #14567

Rework `DevToolsPropertyDefaultsPostProcessor` so that web logging no
longer defaults to `DEBUG`. The post processor now logs an info hint
to suggest the user configure the logging themselves.

Closes gh-14575

Closes gh-14523

See gh-14549

Closes gh-14584

See gh-14522

* pr/14565:
  Add log messages to lines only when the destination isn't set

Closes gh-14565

* pr/14579:
  Add @since in ApplicationContextInitializedEvent

Closes gh-14579

* pr/14582:
  Fix WebSocket web server customizer bean names

Closes gh-14582

See gh-14573

Closes gh-14577

Closes gh-14573

Closes gh-14525