ci provisioning: Use strings instead of "magic numbers" for connection state

examples/provisioning/ble_prov/ble_prov_test.py

@@ -87,9 +87,9 @@ def test_examples_provisioning_ble(env, extra_data):
         time.sleep(5)
         print("Wi-Fi connection state")
         ret = esp_prov.get_wifi_config(transport, security)
-        if (ret == 1):
+        if (ret == "connecting"):
             continue
-        elif (ret == 0):
+        elif (ret == "connected"):
             print("Provisioning was successful")
             success = True
         break