feat: add zkSync enum variant to HyperlaneDomainTechnicalStack (#4740)

### Description

To match the new TS schema

### 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/main/hyperlane-core/src/chain.rs

@@ -299,6 +299,7 @@ pub enum HyperlaneDomainTechnicalStack {
     OpStack,
     PolygonCDK,
     PolkadotSubstrate,
+    ZkSync,
     #[default]
     Other,
 }
@@ -382,6 +383,7 @@ impl KnownHyperlaneDomain {
             HyperlaneDomainTechnicalStack::PolkadotSubstrate: [
                 Moonbeam, Tangle
             ],
+            HyperlaneDomainTechnicalStack::ZkSync: [],
             HyperlaneDomainTechnicalStack::Other: [
                 Avalanche, BinanceSmartChain, Celo, EclipseMainnet, Endurance, Ethereum,
                 FuseMainnet, Gnosis, Injective, Linea, Lukso, Neutron, Osmosis, Polygon,