Fix maru version: v1.2.0 -> v1.2.1-20260410142843-d326b73

v1.2.0 tag doesn't exist on Docker Hub, causing compose build
failures on de-27, de-32, us-40. Using the actual tag format.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

xlayer/cdk-erigon/xlayer-testnet-cdk-erigon-pruned-trace.yml

@@ -62,7 +62,7 @@ services:
       - --http.vhosts=*
       - --maxpeers=50
       - --nat=extip:${IP}
-      - --networkid=196
+      - --networkid=195
       - --port=12700
       - --rpc.gascap=6000000000
       - --rpc.returndata.limit=1500000
@@ -105,7 +105,7 @@ x-upstreams:
           frameSize: 20Mb
           msgSize: 50Mb
           url: $${WS_URL}
-    chain: xlayer
+    chain: xlayer-testnet
     method-groups:
       enabled:
         - debug