Merge branch '2.6.x' into 2.7.x

Closes gh-31914

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java

@@ -323,6 +323,7 @@ public class ServerProperties {
 			@DurationUnit(ChronoUnit.SECONDS)
 			private Duration timeout = Duration.ofMinutes(30);
 
+			@NestedConfigurationProperty
 			private final Cookie cookie = new Cookie();
 
 			public Duration getTimeout() {