New no critical submition error (#664)

## 📝 Summary

It made us stop bidding.

## ✅ I have completed the following steps:

* [X] Run `make lint`
* [X] Run `make test`
* [ ] Added tests (if applicable)

Author: ZanCorDX

crates/rbuilder/src/mev_boost/mod.rs

@@ -46,6 +46,7 @@ const SIM_FAILED_NON_CRITICAL_ERRORS: &[&str] = &[
     "parent block not found", // Generated from time to time from agnostic relay "simulation failed: parent block not found"
     "block is too old, outside validation window", // Generated from time to time from agnostic relay in the end of the slot
     "block gas limit mismatch", // Generated from time to time from ultrasounds relay when we ignore the gas limit.
+    "Proposer MEV Protect is enabled", // Generated by bloxroute since we didn't implement Proposer MEV Protect. On 2025/07/17 this is still not critical (the block is still valid) and it's not clear if it will ever be reason for demotion.
 ];
 
 /// If the bid we send is below a non cancellable bid from the competition agnostics answers this.