Final cocoapods reversions

Co-authored-by: Nick Cooke <36927374+ncooke3@users.noreply.github.com>

Author: ncooke3

.github/workflows/unit_tests.yml

@@ -36,7 +36,7 @@ jobs:
       # See #400 (https://github.com/google/GoogleSignIn-iOS/issues/400)
       run: |
         pod lib lint ${{ matrix.podspec }} --verbose \
-          ${{ matrix.includePodspecFlag }} ${{ matrix.flag }}  --sources=https://github.com/firebase/SpecsDev.git,https://github.com/firebase/SpecsStaging.git,https://cdn.cocoapods.org/
+          ${{ matrix.includePodspecFlag }} ${{ matrix.flag }}
   spm-build-test:
     runs-on: ${{ matrix.os }}
     strategy:

GoogleSignIn.podspec

@@ -33,7 +33,7 @@ The Google Sign-In SDK allows users to sign in with their Google account from th
   ]
   s.ios.framework = 'UIKit'
   s.osx.framework = 'AppKit'
-  s.dependency 'AppCheckCore', '~> 12.0'
+  s.dependency 'AppCheckCore', '~> 11.0'
   s.dependency 'AppAuth', '~> 3.0'
   s.dependency 'GTMAppAuth', '~> 6.0'
   s.dependency 'GTMSessionFetcher/Core', '>= 3.3', '< 6.0'

Samples/ObjC/SignInSample/Podfile

@@ -1,6 +1,3 @@
-source 'https://github.com/firebase/SpecsStaging.git'
-source 'https://cdn.cocoapods.org/'
-
 platform :ios, '15.0'
 use_frameworks!