Changes

* [https://people.mozilla.org/p/cboozarjomehri Cameron Boozarjomehri]

* [https://people.mozilla.org/p/sergiosonline Sergio Betancourt]

Data stewards come from a variety of teams within Mozilla, including data science, Firefox engineering, mobile products, Pocket, Common Voice, AMO, and Thunderbird. You are welcome to tag any steward for any collection request, without respect to the nature of your collection.