chore: increase relayer memory in helm chart (#3297)

### Description

Updating the helm chart so we no longer exceed the requested memory.
Checked the scraper and validators too and those have enough resources.

### 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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rust/helm/hyperlane-agent/values.yaml

@@ -113,8 +113,8 @@ hyperlane:
         name: ''
     resources:
       requests:
-        cpu: 500m
-        memory: 256Mi
+        cpu: 1000m
+        memory: 1024Mi
     config:
       relayChains: ''
       multisigCheckpointSyncer: