Deploy Ignition-Sepolia #16104

Deploy a completely replica ignition network on Sepolia.

This will include:

1. A set of bootnodes
2. Deployed contracts
3. A set of validators (wouldn't exist in real mainnet)
4. A full node used for metrics etc
5. A prover stack (wouldn't exist in real mainnet)
6. An instance of the support monitoring app

We should also have full on-call support setup identically to how mainnet will operate.