Use devnet-3 kurtosis config for sync tests.

Author: jimmygchen

scripts/tests/checkpoint-sync-config-devnet.yaml

@@ -1,22 +1,22 @@
 # Kurtosis config file to checkpoint sync to a running devnet supported by ethPandaOps and `ethereum-package`.
 participants:
+# TODO(das): CI is not currently able to handle supernode on fusaka-devnet-3
+#  - cl_type: lighthouse
+#    cl_image: lighthouse:local
+#    el_type: geth
+#    # There isn't a devnet-4 image
+#    el_image: ethpandaops/geth:fusaka-devnet-3
+#    supernode: true
   - cl_type: lighthouse
     cl_image: lighthouse:local
     el_type: geth
-    # There isn't a devnet-4 image
-    el_image: ethpandaops/geth:fusaka-devnet-3
-    supernode: true
-  - cl_type: lighthouse
-    cl_image: lighthouse:local
-    el_type: geth
-    # There isn't a devnet-4 image
     el_image: ethpandaops/geth:fusaka-devnet-3
     supernode: false
 
 checkpoint_sync_enabled: true
-checkpoint_sync_url: "https://checkpoint-sync.fusaka-devnet-4.ethpandaops.io"
+checkpoint_sync_url: "https://checkpoint-sync.fusaka-devnet-3.ethpandaops.io"
 
 global_log_level: debug
 
 network_params:
-  network: fusaka-devnet-4
+  network: fusaka-devnet-3