Updated macOS deployment target to 10.9. Mirroring the same change in AppAuth https://github.com/openid/AppAuth-iOS/commit/8db5df5d0792070be12986fdb3349dd5abde4bcf
Updated macOS deployment target to 10.9.
Mirroring the same change in AppAuth https://github.com/openid/AppAuth-iOS/commit/8db5df5d0792070be12986fdb3349dd5abde4bcf

google/GTMAppAuth,google/GTMAppAuth