Merge pull request firebase#1024 from firebase/pb-v9-updates

Update FirebaseUI for v8.x and v9.x compatibility

Compatibility updates for pre-release Firebase v9 testing

Merge pull request firebase#1016 from firebase/mc/packaging

fix spm/cocoapods issues

Bump podspec version

Update podspec versions for 12.0.2

Bump podspec version for OAuth

Merge pull request firebase#992 from firebase/mc/release

Bump podspecs for 12.0.0

Merge pull request firebase#978 from firebase/mc/fb

Update Facebook to 11

Bump versions

Bump version