framework: Fix serialized job retries set to 0

JobState serializations did not reflect the current state of
execution, as the 'retries' field was set to 0 instead of
JobState.retries.

wa/framework/run.py

@@ -163,7 +163,7 @@ class JobState(Podable):
         pod['label'] = self.label
         pod['iteration'] = self.iteration
         pod['status'] = self.status.to_pod()
-        pod['retries'] = 0
+        pod['retries'] = self.retries
         pod['timestamp'] = self.timestamp
         return pod