.Net: Update to Yaml.DotNet 16.3.0 (#12641)

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### Contribution Checklist

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- [ ] The code builds clean without any errors or warnings
- [ ] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
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Author: markwallace-microsoft

dotnet/Directory.Packages.props

@@ -149,7 +149,7 @@
     <PackageVersion Include="Microsoft.Plugins.Manifest" Version="1.0.0-rc3" />
     <PackageVersion Include="protobuf-net" Version="3.2.45" />
     <PackageVersion Include="protobuf-net.Reflection" Version="3.2.12" />
-    <PackageVersion Include="YamlDotNet" Version="15.3.0" />
+    <PackageVersion Include="YamlDotNet" Version="16.3.0" />
     <PackageVersion Include="Fluid.Core" Version="2.24.0" />
     <!-- Memory stores -->
     <PackageVersion Include="Microsoft.Azure.Cosmos" Version="3.52.0" />

dotnet/src/Agents/Yaml/AgentMetadataTypeConverter.cs

@@ -24,7 +24,7 @@ public bool Accepts(Type type)
     }
 
     /// <inheritdoc/>
-    public object? ReadYaml(IParser parser, Type type)
+    public object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
     {
         s_deserializer ??= new DeserializerBuilder()
             .WithNamingConvention(UnderscoredNamingConvention.Instance)
@@ -55,7 +55,7 @@ public bool Accepts(Type type)
     }
 
     /// <inheritdoc/>
-    public void WriteYaml(IEmitter emitter, object? value, Type type)
+    public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
     {
         throw new NotImplementedException();
     }

dotnet/src/Agents/Yaml/ModelConfigurationTypeConverter.cs

@@ -24,7 +24,7 @@ public bool Accepts(Type type)
     }
 
     /// <inheritdoc/>
-    public object? ReadYaml(IParser parser, Type type)
+    public object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
     {
         s_deserializer ??= new DeserializerBuilder()
             .WithNamingConvention(UnderscoredNamingConvention.Instance)
@@ -55,7 +55,7 @@ public bool Accepts(Type type)
     }
 
     /// <inheritdoc/>
-    public void WriteYaml(IEmitter emitter, object? value, Type type)
+    public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
     {
         throw new NotImplementedException();
     }

dotnet/src/Experimental/Process.Core/WorkflowSerializer.cs

@@ -152,13 +152,13 @@ internal class SnakeCaseEnumConverter : IYamlTypeConverter
     {
         public bool Accepts(Type type) => type.IsEnum;
 
-        public object ReadYaml(IParser parser, Type type)
+        public object ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
         {
             var value = parser.Consume<Scalar>().Value;
             return Enum.Parse(type, value.Replace("_", ""), true);
         }
 
-        public void WriteYaml(IEmitter emitter, object? value, Type type)
+        public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
         {
             var enumValue = value?.ToString();
             if (enumValue == null)

dotnet/src/Functions/Functions.Yaml/PromptExecutionSettingsTypeConverter.cs

@@ -25,7 +25,7 @@ public bool Accepts(Type type)
     }
 
     /// <inheritdoc/>
-    public object? ReadYaml(IParser parser, Type type)
+    public object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
     {
         s_deserializer ??= new DeserializerBuilder()
             .WithNamingConvention(UnderscoredNamingConvention.Instance)
@@ -58,7 +58,7 @@ public bool Accepts(Type type)
     }
 
     /// <inheritdoc/>
-    public void WriteYaml(IEmitter emitter, object? value, Type type)
+    public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
     {
         throw new NotImplementedException();
     }