Update sui-full-node-data.md (MystenLabs#13443)

Fixes location of image

## Description 

Fixes broken link to image

## Test Plan 

Local

---
If your changes are not user-facing and not a breaking change, you can
skip the following section. Otherwise, please indicate what changed, and
then add to the Release Notes section as highlighted during the release
process.

### Type of Change (Check all that apply)

- [ ] protocol change
- [ ] user-visible impact
- [ ] breaking change for a client SDKs
- [ ] breaking change for FNs (FN binary must upgrade)
- [ ] breaking change for validators or node operators (must upgrade
binaries)
- [ ] breaking change for on-chain data layout
- [ ] necessitate either a data wipe or data migration

### Release notes

doc/src/learn/architecture/sui-full-node-data.md

@@ -8,7 +8,7 @@ Managing the data on your Sui Full node is critical to ensuring a healthy Sui ne
 
 The minimal version of a Sui Full Node executes all of the transactions committed by Sui Validators. Sui Full nodes also orchestrate the submitting  new transactions to the system:
 
-![Basic Sui Full node functionality](../../../static/data_mgmt/fn-basic-functionality.png "A diagram that shows the operations of a basic Sui Full node.")
+![Basic Sui Full node functionality](/fn-basic-functionality.png "A diagram that shows the operations of a basic Sui Full node.")
 
 The image shows how data flows through a Full node as follows:
 1. **`State sync` protocol:** A Sui Full node performs the following to achieve state synchronization:
@@ -156,4 +156,4 @@ authority-store-pruning-config:
   # Prune historic transactions of the past epochs
   num-epochs-to-retain-for-checkpoints: 2
   periodic-compaction-threshold-days: 1
-```
+```