apollographql/apollo-client v3.10.0 on GitHub

#11605 e2dd4c9 Thanks @alessbell! - Adds createMockFetch utility for integration testing that includes the link chain
#11760 acd1982 Thanks @alessbell! - createTestSchema now uses graphql-tools mergeResolvers to merge resolvers instead of a shallow merge.
#11764 f046aa9 Thanks @alessbell! - Rename createProxiedSchema to createTestSchema and createMockFetch to createSchemaFetch.
#11777 5dfc79f Thanks @alessbell! - Call createMockSchema inside createTestSchema.
#11774 2583488 Thanks @alessbell! - Add ability to set min and max delay in createSchemaFetch
#11605 e2dd4c9 Thanks @alessbell! - Adds proxiedSchema and createMockSchema testing utilities
#11465 7623da7 Thanks @alessbell! - Add watchFragment method to the cache and expose it on ApolloClient, refactor useFragment using watchFragment.
#11743 78891f9 Thanks @jerelmiller! - Remove alpha designation for queryRef.toPromise() to stabilize the API.
#11743 78891f9 Thanks @jerelmiller! - Remove alpha designation for createQueryPreloader to stabilize the API.
#11783 440563a Thanks @alessbell! - Moves new testing utilities to their own entrypoint, testing/experimental

#11757 9825295 Thanks @phryneas! - Adjust useReadQuery wrapper logic to work with transported objects.
#11771 e72cbba Thanks @phryneas! - Wrap useQueryRefHandlers in wrapHook.
#11754 80d2ba5 Thanks @alessbell! - Export WatchFragmentOptions and WatchFragmentResult from main entrypoint and fix bug where this wasn't bound to the watchFragment method on ApolloClient.