chore: re-enable Neutron scraping (#5179)

### Description

- The chain is back, scraping it again now after its removal in #5165 

### Drive-by changes

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### Related issues

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- Fixes #[issue number here]
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### Backward compatibility

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### Testing

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typescript/infra/config/environments/mainnet3/agent.ts

@@ -374,8 +374,7 @@ export const hyperlaneContextAgentChainConfig: AgentChainConfig<
     moonbeam: true,
     morph: true,
     nero: true,
-    // Jan 14th - temporarily disabled while Neutron chain is down and RPCs give issues, causing scraper startup problems
-    neutron: false,
+    neutron: true,
     oortmainnet: true,
     optimism: true,
     orderly: true,