Add GCS temp location to bigquery example

[kellen]

to run successfully, https://spotify.github.io/scio//extras/Scio-REPL.html#bigquery-example requires setting templocatiom to a GCS path

sc.options.setTempLocation("gs://...")

[RustedBones]

Wouldn't it be nicer to add to the cli before starting the repl ? (as done for staging)