pod install我尝试按照原始指南在 Flutter 中的 iOS 上设置 Firebase，但在终端中输入后收到以下消息：
[!] CocoaPods could not find compatible versions for pod "Firebase/Auth":
In snapshot (Podfile.lock):
Firebase/Auth (= 6.34.0, ~> 6.0)
In Podfile:
firebase_auth (from `.symlinks/plugins/firebase_auth/ios`) was resolved to 1.4.1, which depends on
Firebase/Auth (= 8.0.0)
You have either:
* out-of-date source repos which you can update with `pod repo update` or with `pod install --repo-update`.
* changed the constraints of dependency `Firebase/Auth` inside your development pod `firebase_auth`.
You should run `pod update Firebase/Auth` to …