[iOS] Update Cocoapods for 1.11 (#74089)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/74089
Test Plan: Imported from OSS
Reviewed By: hanton
Differential Revision: D34811951
Pulled By: xta0
fbshipit-source-id: b1cc4a63941f1db6372266c840c56a82205e7786
(cherry picked from commit ff5951052ecf41597795883f47b46476c8e74e04)
