fix: Support 202 response on captions

Author: dragonmantank

opentok/opentok.py

@@ -2094,8 +2094,11 @@ def start_captions(
             timeout=self.timeout,
         )
 
+        # Keeping backwards compat just in case
         if response and response.status_code == 200:
             return Captions(response.json())
+        if response and response.status_code == 202:
+            return Captions(response.json())
         elif response.status_code == 400:
             """
             The HTTP response has a 400 status code in the following cases: