Upgrade to SnakeYAML 1.33

Closes gh-32522

Author: bclozel

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

@@ -1382,7 +1382,7 @@ bom {
 			]
 		}
 	}
-	library("SnakeYAML", "1.32") {
+	library("SnakeYAML", "1.33") {
 		group("org.yaml") {
 			modules = [
 				"snakeyaml"

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/env/OriginTrackedYamlLoader.java

@@ -73,8 +73,8 @@ protected Yaml createYaml() {
 
 	private Yaml createYaml(LoaderOptions loaderOptions) {
 		BaseConstructor constructor = new OriginTrackingConstructor(loaderOptions);
-		Representer representer = new Representer();
 		DumperOptions dumperOptions = new DumperOptions();
+		Representer representer = new Representer(dumperOptions);
 		NoTimestampResolver resolver = new NoTimestampResolver();
 		return new Yaml(constructor, representer, dumperOptions, loaderOptions, resolver);
 	}