bump transformers version to 4.48.0 and call model_rebuild in execute_policy_code

Author: shubham3121

packages/syft/setup.cfg

@@ -91,7 +91,7 @@ exclude =
 
 [options.extras_require]
 data_science =
-    transformers==4.41.2
+    transformers==4.48.0
     opendp==0.9.2
     evaluate==0.4.2
     recordlinkage==0.16

packages/syft/src/syft/service/policy/policy.py

@@ -1191,6 +1191,7 @@ def execute_policy_code(user_policy: UserPolicy) -> Any:
             exec(user_policy.byte_code)  # nosec
             policy_class = eval(user_policy.unique_name)  # nosec
 
+        policy_class.model_rebuild()
         register_policy_class(policy_class, user_policy.unique_name)
 
         sys.stdout = stdout_