base/node-reth: upgrade to v1.4.2 for Cobalt hardfork support

- Upgrade base mainnet/sepolia reth and node versions from v1.1.0/v1.1.1/v1.2.0 to v1.4.2
- Regeneration includes recent main branch changes:
  - polygon-mainnet bor: cap cache.gomemlimit to 12GB to prevent OOM
  - gravity: add AptosBFT+Gravity-Reth execution node configs
  - reference-rpc-endpoint.json: add mocachain URLs

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

reference-rpc-endpoint.json

@@ -3371,6 +3371,7 @@
     "lagging_lag": 20,
     "syncing_lag": 40,
     "urls": [
+      "https://rpc.mocachain.org",
       "https://moca.drpc.org"
     ]
   },
@@ -3381,6 +3382,7 @@
     "lagging_lag": 20,
     "syncing_lag": 40,
     "urls": [
+      "https://testnet-rpc.mocachain.org",
       "https://moca-testnet.drpc.org"
     ]
   },