fix(scripts): set correct aws bucket region when deploying

[shlokamin]

Overview

For whatever reason when all of our aws buckets were moved around to different accounts the regions they live in changed. PD lives in 'us-east-1, and all of the others live in 'us-east-2

You must correctly specify the regions to successfully send aws commands.

Test Plan

I verified I could promote to staging for docs, PD, and LL

[y3rsh]

us-east-2 and us-west-2 are commonly used if the feature is available in those regions instead of the rumored "older and crowded" us-east-1 and us-west-1.
No idea if this is true today but I always use us-east-2 if possible for everything we do.