Introduce Jackson 3 support in the Gradle build

This commit adds Jackson 3 BOM to Spring Framework platform dependencies
and related Javadoc link.

See gh-33798

framework-platform/framework-platform.gradle

@@ -21,6 +21,7 @@ dependencies {
 	api(platform("org.jetbrains.kotlinx:kotlinx-serialization-bom:1.8.0"))
 	api(platform("org.junit:junit-bom:5.12.2"))
 	api(platform("org.mockito:mockito-bom:5.17.0"))
+	api(platform("tools.jackson:jackson-bom:3.0.0-rc4"))
 
 	constraints {
 		api("com.fasterxml:aalto-xml:1.3.2")