Move bank access etc over to Rachel as new Finance Chair

[jcklpe]

Aslan and Liani both have some portion of bank access and we need to get that over to Rachel.

[jcklpe]

more context on that here: https://open-austin.slack.com/archives/C07M20C23UN/p1782228450461189?thread_ts=1782172624.956349&cid=C07M20C23UN