Cast job_id to str to conform with type of _jobs_cache

fixes aiidateam#6542

src/aiida/engine/processes/calcjobs/manager.py

@@ -114,7 +114,7 @@ async def _get_jobs_from_scheduler(self) -> Dict[Hashable, 'JobInfo']:
             self.logger.info(f'AuthInfo<{self._authinfo.pk}>: successfully retrieved status of active jobs')
 
             for job_id, job_info in scheduler_response.items():
-                jobs_cache[job_id] = job_info
+                jobs_cache[str(job_id)] = job_info
 
             return jobs_cache
 
@@ -146,7 +146,7 @@ async def _update_job_info(self) -> None:
         else:
             for job_id, future in self._job_update_requests.items():
                 if not future.done():
-                    future.set_result(self._jobs_cache.get(job_id, None))
+                    future.set_result(self._jobs_cache.get(str(job_id), None))
         finally:
             self._job_update_requests = {}