switch druid host to index to the druid-public cluster and datahub injestion.

We are in the proces of onboarding new servers to the druid cluster and decommissioning the older servers druid100[4-6]. As such, we shall need to change the druid-public endpoints used to index mediawiki_history_reduced to the druid-public cluster and also change the endpoints used for the datahub injestion jobs which is currently set to druid1004.eqiad.wmnet we shall replace it with one of the newer servers namely druid1010.eqiad.wmnet. druid1010 is already part of the running cluster thus we do not expect much interruption.

Bug: T336042