Added retry mechanism to status confirmation, to address suspect timeout problem

(cherry picked from commit 7b1c2aff)

model_server/scripts/run_server.py

 import argparse
 from multiprocessing import Process
 import requests
+from requests.adapters import HTTPAdapter
+from urllib3 import Retry
 import uvicorn
 import webbrowser
 
@@ -47,7 +49,13 @@ def main(args) -> None:
     server_process.start()
 
     try:
-        resp = requests.get(url)
+        sesh = requests.Session()
+        retries = Retry(
+            total=5,
+            backoff_factor=0.1,
+        )
+        sesh.mount('http://', HTTPAdapter(max_retries=retries))
+        resp = sesh.get(url)
         assert resp.status_code == 200
     except Exception:
         print('Error starting server')