add rubicon targeting to rubicon bid responses for bidderSettings use

[snapwich]

Type of change

• Feature

Description of change

Allows targeting in rubicon response to be accessible on the bidResponse when using custom bidderSettings.

It would be used like so:

pbjs.bidderSettings = {
    rubicon: {
        sendStandardTargeting: false,
        adserverTargeting: [{
            key: 'rpfl_14062',
            val: function(bidResponse) {
                return bidResponse.rubiconTargeting.rpfl_14062;
            }
        }, {
            key: 'rpfl_elemid',
            val: function (bidResponse) {
                return bidResponse.rubiconTargeting.rpfl_elemid;
            }
        }]
    }
}

[grevory]

👍

[protonate]

This looks good, confirmed key value set as expected, tests green.