[native] [25/40] RN 0.70: Update to react-native-background-upload@6.6.0
Summary: I was seeing Android build errors with this package, which were resolved after updating.
Test Plan:
- I reviewed the Release Notes and found no breaking changes
- Tested along with whole stack: test plan (includes testing media upload, which uses this package)
Depends on D5918
Reviewers: tomek, bartek
Subscribers: atul
Differential Revision: https://phab.comm.dev/D5919