[native] [2/40] RN 0.70: Podfile update

Summary:
Changes mostly pulled from React Native Upgrade Helper. Will describe the rest inline.

Depends on D5895

Test Plan: Along with testing pod install, this was tested along with whole stack: test plan

Reviewers: tomek, bartek

Subscribers: atul

Differential Revision: https://phab.comm.dev/D5896