Update Babel packages

Summary: I noticed we were used different versions of @babel/preset-env. I was going to update them to use the same version, but went ahead and updated all of the versions while I was at it.

Test Plan: Make sure server still returns a working webpage on both dev and prod

Reviewers: atul, palys-swm

Reviewed By: atul

Subscribers: KatPo, zrebcu411, Adrian, subnub

Differential Revision: https://phabricator.ashoat.com/D964