Update snakeyaml version to v2 (#2523)

* Update snakeyaml version

* User LoaderOptions in snakeyaml2

* Run target formatJava

Author: nikhil-sk

frontend/archive/src/main/java/org/pytorch/serve/archive/utils/ArchiveUtils.java

@@ -21,6 +21,7 @@
 import org.pytorch.serve.archive.DownloadArchiveException;
 import org.pytorch.serve.archive.model.InvalidModelException;
 import org.pytorch.serve.archive.s3.HttpUtils;
+import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.constructor.Constructor;
 import org.yaml.snakeyaml.error.YAMLException;
@@ -47,7 +48,7 @@ public static <T> T readFile(File file, Class<T> type)
 
     public static <T> T readYamlFile(File file, Class<T> type)
             throws InvalidModelException, IOException {
-        Yaml yaml = new Yaml(new Constructor(type));
+        Yaml yaml = new Yaml(new Constructor(type, new LoaderOptions()));
         try (Reader r =
                 new InputStreamReader(
                         Files.newInputStream(file.toPath()), StandardCharsets.UTF_8)) {

frontend/gradle.properties

@@ -8,7 +8,7 @@ slf4j_api_version=1.7.32
 slf4j_log4j_version=2.17.1
 testng_version=7.1.0
 torchserve_sdk_version=0.0.5
-snakeyaml_version=1.31
+snakeyaml_version=2.1
 grpc_version=1.50.0
 protoc_version=3.18.0
 lmax_disruptor_version=3.4.4

frontend/server/src/main/java/org/pytorch/serve/metrics/configuration/MetricConfiguration.java

@@ -6,6 +6,7 @@
 import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.composer.ComposerException;
 import org.yaml.snakeyaml.constructor.Constructor;
@@ -64,7 +65,7 @@ public void validate() {
 
     public static MetricConfiguration loadConfiguration(String configFilePath)
             throws FileNotFoundException, ComposerException, RuntimeException {
-        Constructor constructor = new Constructor(MetricConfiguration.class);
+        Constructor constructor = new Constructor(MetricConfiguration.class, new LoaderOptions());
         Yaml yaml = new Yaml(constructor);
         FileInputStream inputStream = new FileInputStream(new File(configFilePath));
         MetricConfiguration config = yaml.load(inputStream);