Adding PipelineFeatureSource for Node24 knobs

Author: surajitshil-03

src/Agent.Sdk/Knob/AgentKnobs.cs

@@ -205,12 +205,14 @@ public class AgentKnobs
             "Forces the agent to use Node 24 handler for all Node-based tasks",
             new RuntimeKnobSource("AGENT_USE_NODE24"),
             new EnvironmentKnobSource("AGENT_USE_NODE24"),
+            new PipelineFeatureSource("UseNode24"),
             new BuiltInDefaultKnobSource("false"));
         public static readonly Knob UseNode24InUnsupportedSystem = new Knob(
             nameof(UseNode24InUnsupportedSystem),
             "Forces the agent to use Node 24 handler for all Node-based tasks, even if it's in an unsupported system",
             new RuntimeKnobSource("AGENT_USE_NODE24_IN_UNSUPPORTED_SYSTEM"),
             new EnvironmentKnobSource("AGENT_USE_NODE24_IN_UNSUPPORTED_SYSTEM"),
+            new PipelineFeatureSource("UseNode24InUnsupportedSystem"),
             new BuiltInDefaultKnobSource("false"));
 
         public static readonly Knob FetchByCommitForFullClone = new Knob(