fix: update accumulator example (#201)

Signed-off-by: srao12 <[email protected]>

Author: cosmic-chichu

pkg/accumulator/examples/streamsorter/README.md

@@ -18,20 +18,20 @@ Port-forward the HTTP endpoint, and make POST requests using curl. Remember to r
   kubectl port-forward stream-sorter-http-one-0-xxxx 8444:8443
 
   # Post data to the HTTP endpoint
-  curl -kq -X POST -d "101" https://localhost:8444/vertices/http-one -h "X-Numaflow-Event-Time: 60000"
-  curl -kq -X POST -d "102" https://localhost:8444/vertices/http-one -h "X-Numaflow-Event-Time: 61000"
-  curl -kq -X POST -d "103" https://localhost:8444/vertices/http-one -h "X-Numaflow-Event-Time: 62000"
-  curl -kq -X POST -d "104" https://localhost:8444/vertices/http-one -h "X-Numaflow-Event-Time: 63000"
+  curl -kq -X POST -d "101" https://localhost:8444/vertices/http-one -H "X-Numaflow-Event-Time: 60000"
+  curl -kq -X POST -d "102" https://localhost:8444/vertices/http-one -H "X-Numaflow-Event-Time: 61000"
+  curl -kq -X POST -d "103" https://localhost:8444/vertices/http-one -H "X-Numaflow-Event-Time: 62000"
+  curl -kq -X POST -d "104" https://localhost:8444/vertices/http-one -H "X-Numaflow-Event-Time: 63000"
 ```
 
 ```shell
   kubectl port-forward stream-sorter-http-two-0-xxxx 8445:8443
 
   # Post data to the HTTP endpoint
-  curl -kq -X POST -d "105" https://localhost:8445/vertices/http-two -h "X-Numaflow-Event-Time: 70000"
-  curl -kq -X POST -d "106" https://localhost:8445/vertices/http-two -h "X-Numaflow-Event-Time: 71000"
-  curl -kq -X POST -d "107" https://localhost:8445/vertices/http-two -h "X-Numaflow-Event-Time: 72000"
-  curl -kq -X POST -d "108" https://localhost:8445/vertices/http-two -h "X-Numaflow-Event-Time: 73000"
+  curl -kq -X POST -d "105" https://localhost:8445/vertices/http-two -H "X-Numaflow-Event-Time: 70000"
+  curl -kq -X POST -d "106" https://localhost:8445/vertices/http-two -H "X-Numaflow-Event-Time: 71000"
+  curl -kq -X POST -d "107" https://localhost:8445/vertices/http-two -H "X-Numaflow-Event-Time: 72000"
+  curl -kq -X POST -d "108" https://localhost:8445/vertices/http-two -H "X-Numaflow-Event-Time: 73000"
 ```
 
 ### Verify the output

pkg/accumulator/examples/streamsorter/manifest/stream-sorter-pipeline.yaml

@@ -25,7 +25,7 @@ spec:
         groupBy:
           window:
             accumulator:
-              ttl: 10s
+              timeout: 10s
           keyed: true
           storage:
             persistentVolumeClaim: