New competition bid source (#674)

## 📝 Summary

The whole pipeline has been updated to use `BlockBid` (all bids seen in
all relays) instead `CompetitionBid` (single best bid to beat).
This change gives more information to the bidding service and implies
that the `SlotBidder` is now just a `UnfinishedBlockBuildingSink` and
the `BiddingService` gets all the bids by implemening
`BlockBidWithStatsObs`
```
pub trait BlockBidWithStatsObs: Send + Sync {
    /// Be careful, we don't assume any kind of filtering here so bid may contain our own bids.
    fn update_new_bid(&self, bid_with_stats: BlockBidWithStats);
}
```
and is his responsibility to let the active bidders know about the
competition bids.
The rbuilder now connects to the bid-scraper to get those `BlockBid`.
Some other changes:
- ethers replaced by alloy
- Some refactoring on crates/rbuilder/src/live_builder/config.rs to
simplify the creation of other cfgs.
- Some lint cleaning.

## 💡 Motivation and Context

Get rid of any external dependency to get competition bids.

## ✅ I have completed the following steps:

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

Author: ZanCorDX

.github/workflows/release.yaml

@@ -114,6 +114,13 @@ jobs:
           name: reth-rbuilder-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.configs.target }}${{ matrix.features && '-' }}${{ matrix.features }}
           path: target/${{ matrix.configs.target }}/release/reth-rbuilder
 
+      - name: Upload bid-scraper artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: bid-scraper-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.configs.target }}${{ matrix.features && '-' }}${{ matrix.features }}
+          path: target/${{ matrix.configs.target }}/release/bid-scraper
+
+
   draft-release:
     name: Draft release
     if: ${{ github.event.inputs.draft-release == 'true' || github.event_name == 'push'}} # when manually triggered or version tagged