Set includeAllNetworks for best-effort kill switch

[keeshux]

According to Apple, this is the best that can be done to accomplish kill switch behavior:

• https://developer.apple.com/documentation/networkextension/nevpnprotocol/3131931-includeallnetworks
• https://9to5mac.com/2022/08/19/iphone-vpn-app-security-debate-continues-as-apple-says-its-fixed-and-protonvpn-says-not/