Squashed 'apollo-ios/' changes from d50a8222..f0b2a850

f0b2a850 fix: Changes `URLRequest` cache policy default (#550)

git-subtree-dir: apollo-ios
git-subtree-split: f0b2a850945fe070b92a054584e55827fa4a0b15

Author: gh-action-runner

Sources/Apollo/JSONRequest.swift

@@ -155,7 +155,7 @@ open class JSONRequest<Operation: GraphQLOperation>: HTTPRequest<Operation> {
   private var requestCachePolicy: URLRequest.CachePolicy {
     switch cachePolicy {
     case .returnCacheDataElseFetch:
-      return .returnCacheDataElseLoad
+      return .useProtocolCachePolicy
     case .fetchIgnoringCacheData:
       return .reloadIgnoringLocalCacheData
     case .fetchIgnoringCacheCompletely: