ICBX Network Mainnet New RPC's | Update extraRpcs

[ICBNetwork]

Network Name :- ICB Network Chain ID :- 73115(0x11d9b) Currency : ICBX

If you are adding a new RPC, please answer the following questions.

Link the service provider's website (the company/protocol/individual providing the RPC):

Service Company = ICBX Network ( icb.network ) Chain Type :- Layer 1 EVM

Provide a link to your privacy policy:

https://docs.icb.network/legal-docs/privacy-policy

If the RPC has none of the above and you still think it should be added, please explain why:

Your RPC should always be added at the end of the array.