[0.71] Upgrade SocketRocket to 0.7.0

[amgleitman]

0.71-stable counterpart of #1887.

Please select one of the following

• I am removing an existing difference between facebook/react-native and microsoft/react-native-macos 👍
• I am cherry-picking a change from Facebook's react-native into microsoft/react-native-macos 👍
• I am making a fix / change for the macOS implementation of react-native
• I am making a change required for Microsoft usage of react-native

Summary

This upgrades the SocketRocket to 0.7.0, which fixes a number of retain cycle issues.

Changelog

[GENERAL] [FIXED] - Fix retain cycle issues in SocketRocket

Test Plan

Validated that the WebSocket test page still works.
If the CIs also pass, we should be good.