Partial Revert "fix(auth): migrate away from deprecated api" (#16289)

Author: ncooke3

FirebaseAnalytics.podspec

@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
     s.authors          = 'Google, Inc.'
 
     s.source           = {
-        :http => 'https://dl.google.com/firebase/ios/analytics/8219fca148758cd8/FirebaseAnalytics-12.14.0.tar.gz'
+        :http => 'https://dl.google.com/firebase/ios/analytics/4157b0f8016e6ec3/FirebaseAnalytics-12.15.0.tar.gz'
     }
 
     s.cocoapods_version = '>= 1.12.0'

GoogleAppMeasurement.podspec

@@ -16,7 +16,7 @@ Pod::Spec.new do |s|
     s.authors          = 'Google, Inc.'
 
     s.source           = {
-        :http => 'https://dl.google.com/firebase/ios/analytics/ca71c0624b0be6d4/GoogleAppMeasurement-12.14.0.tar.gz'
+        :http => 'https://dl.google.com/firebase/ios/analytics/59fe326eebd1a79c/GoogleAppMeasurement-12.15.0.tar.gz'
     }
 
     s.cocoapods_version = '>= 1.12.0'

Package.swift

@@ -356,8 +356,8 @@ let package = Package(
     ),
     .binaryTarget(
       name: "FirebaseAnalytics",
-      url: "https://dl.google.com/firebase/ios/swiftpm/12.14.0/FirebaseAnalytics.zip",
-      checksum: "cf13c45dcae3c66ac8c00a340829c05ce226ec486ae533658b8915365acc9a4e"
+      url: "https://dl.google.com/firebase/ios/swiftpm/12.15.0/FirebaseAnalytics.zip",
+      checksum: "ba21a1b13404d96d4b6686eff250ce4088305d6d5c860bb07319118bae8b97b7"
     ),
     .testTarget(
       name: "AnalyticsSwiftUnit",
@@ -1439,7 +1439,7 @@ func googleAppMeasurementDependency() -> Package.Dependency {
     return .package(url: appMeasurementURL, branch: "main")
   }
 
-  return .package(url: appMeasurementURL, exact: "12.14.0")
+  return .package(url: appMeasurementURL, exact: "12.15.0")
 }
 
 func abseilDependency() -> Package.Dependency {