update: node architecture image asset

Author: wackerow

public/content/developers/docs/nodes-and-clients/node-architecture/index.md

@@ -10,7 +10,7 @@ When Ethereum was using [proof-of-work](/developers/docs/consensus-mechanisms/po
 
 The diagram below shows the relationship between the two Ethereum clients. The two clients connect to their own respective peer-to-peer (P2P) networks. Separate P2P networks are needed as the execution clients gossip transactions over their P2P network, enabling them to manage their local transaction pool, whilst the consensus clients gossip blocks over their P2P network, enabling consensus and chain growth.
 
-![](node-architecture.png)
+![](node-architecture-text-background.png)
 
 _This image is borrowed from besu.hyperledger.org. There are several options for the execution client including Erigon, Nethermind, and Besu_.
 

public/content/developers/docs/nodes-and-clients/node-architecture/node-architecture-text-background.png

@@ -1,7 +1,7 @@
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