Breaking change: Raise the minimum OS versions.

Match Firebase on the new minium OS versions:
https://firebase.google.com/support/release-notes/ios#version_1100_-_july_30_2024

Raise the package major version for this.

Raise the allowed GTMSessionFetcher dependency to match.

GoogleAPIClientForREST.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'GoogleAPIClientForREST'
-  s.version      = '3.5.5'
+  s.version      = '4.0.0'
   s.author       = 'Google Inc.'
   s.homepage     = 'https://github.com/google/google-api-objectivec-client-for-rest'
   s.license      = { :type => 'Apache', :file => 'LICENSE' }
@@ -19,19 +19,19 @@ Pod::Spec.new do |s|
   # bundle for the privacy manifest.
   s.cocoapods_version = '>= 1.12.0'
 
-  ios_deployment_target = '10.0'
-  osx_deployment_target = '10.12'
-  tvos_deployment_target = '10.0'
+  ios_deployment_target = '13.0'
+  osx_deployment_target = '10.15'
+  tvos_deployment_target = '13.0'
   visionos_deployment_target = '1.0'
-  watchos_deployment_target = '6.0'
+  watchos_deployment_target = '7.0'
 
   s.ios.deployment_target = ios_deployment_target
   s.osx.deployment_target = osx_deployment_target
   s.tvos.deployment_target = tvos_deployment_target
   s.visionos.deployment_target = visionos_deployment_target
   s.watchos.deployment_target = watchos_deployment_target
 
-  s.dependency 'GTMSessionFetcher/Full', '>= 1.6.1', '< 4.0'
+  s.dependency 'GTMSessionFetcher/Full', '>= 1.6.1', '< 5.0'
 
   s.prefix_header_file = false
 

Package.swift

@@ -5,10 +5,10 @@ import PackageDescription
 let package = Package(
     name: "GoogleAPIClientForREST",
     platforms: [
-        .iOS(.v10),
-        .macOS(.v10_12),
-        .tvOS(.v10),
-        .watchOS(.v6)
+        .iOS(.v13),
+        .macOS(.v10_15),
+        .tvOS(.v13),
+        .watchOS(.v7)
     ],
     products: [
         // The main library, only thing you need to use your own services.
@@ -1176,7 +1176,7 @@ let package = Package(
         // End of products.
     ],
     dependencies: [
-        .package(url: "https://github.com/google/gtm-session-fetcher.git", "1.6.1" ..< "4.0.0"),
+        .package(url: "https://github.com/google/gtm-session-fetcher.git", "1.6.1" ..< "5.0.0"),
     ],
     targets: [
         .target(