docs(cancun): fix malformed Besu EIP-4844 link; add branch link

Author: VolodymyrBg

network-upgrades/mainnet-upgrades/cancun.md

@@ -18,7 +18,7 @@ Implementation status of Included EIPs across participating clients.
 |  **Client**    | [1153](https://eips.ethereum.org/EIPS/eip-1153) | [4788](https://eips.ethereum.org/EIPS/eip-4788) | [4844](https://eips.ethereum.org/EIPS/eip-4844) | [5656](https://eips.ethereum.org/EIPS/eip-5656) | [6780](https://eips.ethereum.org/EIPS/eip-6780) | [7516](https://eips.ethereum.org/EIPS/eip-7516) |
 |----------------|-------------------------------------------------|-------------------------------------------------|-------------------------------------------------|-------------------------------------------------|-------------------------------------------------|-------------------------------------------------|
 | **Geth**       | [Merged](https://github.com/ethereum/go-ethereum/pull/26003) + [Merged](https://github.com/ethereum/go-ethereum/pull/27663)| Merged | [Merged](https://github.com/ethereum/go-ethereum/pull/26940) | [Merged](https://github.com/ethereum/go-ethereum/pull/26181) | [Merged](https://github.com/ethereum/go-ethereum/pull/27189) | Merged |
-| **Besu**       | [Merged](https://github.com/hyperledger/besu/pull/4118) | Merged | [Merged]([https://github.com/hyperledger/besu/tree/eip-4844-interop](https://github.com/hyperledger/besu/pull/5724)) | [Merged](https://github.com/hyperledger/besu/pull/5493) | [Merged](https://github.com/hyperledger/besu/pull/4118) | Merged |
+| **Besu**       | [Merged](https://github.com/hyperledger/besu/pull/4118) | Merged | [Merged](https://github.com/hyperledger/besu/pull/5724) + [Branch](https://github.com/hyperledger/besu/tree/eip-4844-interop) | [Merged](https://github.com/hyperledger/besu/pull/5493) | [Merged](https://github.com/hyperledger/besu/pull/4118) | Merged |
 | **Nethermind** | [Merged](https://github.com/NethermindEth/nethermind/pull/4126) | [Merged](https://github.com/NethermindEth/nethermind/pull/6009) | [Merged (many PRs)](https://github.com/NethermindEth/nethermind/issues?q=is%3Aclosed+label%3Aeip-4844) | [Merged](https://github.com/NethermindEth/nethermind/pull/5791) | [Merged](https://github.com/NethermindEth/nethermind/pull/4704) | [Merged](https://github.com/NethermindEth/nethermind/pull/6096) |
 | **Reth** | Merged | Merged | Merged | Merged | Merged | Merged |
 | **Erigon**     | [Merged](https://github.com/ledgerwatch/erigon/pull/7405) + [Merged](https://github.com/ledgerwatch/erigon/pull/7885) | [Merged (many PRs)](https://github.com/ledgerwatch/erigon/pulls?q=is%3Apr+4788) | [Merged (many PRs)](https://github.com/ledgerwatch/erigon/pulls?q=is%3Apr+4844) | [Merged](https://github.com/ledgerwatch/erigon/pull/7887) | [Merged](https://github.com/ledgerwatch/erigon/pull/7976) | [Merged](https://github.com/ledgerwatch/erigon/pull/8231) |