Upgrade to Undertow 2.2.24.Final

Closes gh-34910

Author: snicoll

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

@@ -31,6 +31,7 @@
 import io.undertow.UndertowOptions;
 
 import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.DeprecatedConfigurationProperty;
 import org.springframework.boot.context.properties.NestedConfigurationProperty;
 import org.springframework.boot.convert.DurationUnit;
 import org.springframework.boot.web.server.Compression;
@@ -1576,10 +1577,13 @@ public void setMaxCookies(Integer maxCookies) {
 			this.maxCookies = maxCookies;
 		}
 
+		@Deprecated
+		@DeprecatedConfigurationProperty(reason = "This option was interpreted improperly")
 		public boolean isAllowEncodedSlash() {
 			return this.allowEncodedSlash;
 		}
 
+		@Deprecated
 		public void setAllowEncodedSlash(boolean allowEncodedSlash) {
 			this.allowEncodedSlash = allowEncodedSlash;
 		}

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

@@ -87,6 +87,7 @@ public void customize(ConfigurableUndertowWebServerFactory factory) {
 		map.from(this::getOrDeduceUseForwardHeaders).to(factory::setUseForwardHeaders);
 	}
 
+	@SuppressWarnings("deprecation")
 	private void mapUndertowProperties(ConfigurableUndertowWebServerFactory factory, ServerOptions serverOptions) {
 		PropertyMapper map = PropertyMapper.get().alwaysApplyingWhenNonNull();
 		Undertow properties = this.serverProperties.getUndertow();

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/embedded/UndertowWebServerFactoryCustomizerTests.java

@@ -150,6 +150,7 @@ void customizeWorkerThreads() {
 	}
 
 	@Test
+	@Deprecated
 	void allowEncodedSlashes() {
 		bind("server.undertow.allow-encoded-slash=true");
 		assertThat(boundServerOption(UndertowOptions.ALLOW_ENCODED_SLASH)).isTrue();

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -1955,7 +1955,7 @@ bom {
 			]
 		}
 	}
-	library("Undertow", "2.2.23.Final") {
+	library("Undertow", "2.2.24.Final") {
 		group("io.undertow") {
 			modules = [
 				"undertow-core",