feat(sdk): configure Lambda client timeouts (#256)

Add connection and socket timeout configurations to LambdaClient:
- connectionTimeout: 5000ms (5 seconds)
- socketTimeout: 50000ms (50 seconds)

This helps prevent hanging requests and provides better error handling
for Lambda API calls.

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choice.

Author: ParidelPooya

packages/aws-durable-execution-sdk-js/src/storage/api-storage.test.ts

@@ -56,7 +56,13 @@ describe("ApiStorage", () => {
 
   test("should initialize with correct endpoint and region", () => {
     // Verify that LambdaClient was constructed with the correct parameters
-    expect(LambdaClient).toHaveBeenCalledWith();
+    expect(LambdaClient).toHaveBeenCalledWith({
+      requestHandler: {
+        connectionTimeout: 5000,
+        socketTimeout: 50000,
+        requestTimeout: 5000,
+      },
+    });
   });
 
   test("should call getStepData with correct parameters", async () => {

packages/aws-durable-execution-sdk-js/src/storage/api-storage.ts

@@ -17,7 +17,13 @@ export class ApiStorage implements ExecutionState {
   protected client: LambdaClient;
 
   constructor() {
-    this.client = new LambdaClient();
+    this.client = new LambdaClient({
+      requestHandler: {
+        connectionTimeout: 5000,
+        socketTimeout: 50000,
+        requestTimeout: 5000,
+      },
+    });
   }
 
   /**