expose job_variables in runtime.flow_run

[zzstoatzz]

In [1]: from prefect import flow

In [2]: import prefect.runtime

In [3]: @flow(log_prints=True)
   ...: def f(): print(prefect.runtime.flow_run.job_variables)

In [4]: f()
17:55:23.174 | INFO    | prefect.engine - Created flow run 'true-panda' for flow 'f'
17:55:23.423 | INFO    | Flow run 'true-panda' - {}
17:55:23.548 | INFO    | Flow run 'true-panda' - Finished in state Completed()

[codspeed-hq]

CodSpeed Performance Report

Merging #16124 will not alter performance

_{Comparing runtime-jobvars (b7b663d) with main (3da0f05)}

Summary

✅ 3 untouched benchmarks