chore: update pushgateway URL (#3810)

### Description

Updates the pushgateway URL following
#3772

### 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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using this infra tooling?

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### Testing

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typescript/infra/config/environments/mainnet2/funding.ts

@@ -17,7 +17,7 @@ export const keyFunderConfig: KeyFunderConfig = {
   cronSchedule: '15 * * * *', // Every hour at the 15-minute mark
   namespace: environment,
   prometheusPushGateway:
-    'http://prometheus-pushgateway.monitoring.svc.cluster.local:9091',
+    'http://prometheus-prometheus-pushgateway.monitoring.svc.cluster.local:9091',
   contextFundingFrom: Contexts.Hyperlane,
   contextsAndRolesToFund: {
     [Contexts.Hyperlane]: [Role.Relayer, Role.Kathy],

typescript/infra/config/environments/mainnet2/liquidityLayer.ts

@@ -44,6 +44,6 @@ export const relayerConfig: LiquidityLayerRelayerConfig = {
   },
   namespace: environment,
   prometheusPushGateway:
-    'http://prometheus-pushgateway.monitoring.svc.cluster.local:9091',
+    'http://prometheus-prometheus-pushgateway.monitoring.svc.cluster.local:9091',
   connectionType: AgentConnectionType.Http,
 };

typescript/infra/config/environments/testnet3/funding.ts

@@ -17,7 +17,7 @@ export const keyFunderConfig: KeyFunderConfig = {
   cronSchedule: '15 * * * *', // Every hour at the 15-minute mark
   namespace: environment,
   prometheusPushGateway:
-    'http://prometheus-pushgateway.monitoring.svc.cluster.local:9091',
+    'http://prometheus-prometheus-pushgateway.monitoring.svc.cluster.local:9091',
   contextFundingFrom: Contexts.Hyperlane,
   contextsAndRolesToFund: {
     [Contexts.Hyperlane]: [Role.Relayer, Role.Kathy],

typescript/infra/config/environments/testnet3/middleware.ts

@@ -11,6 +11,6 @@ export const liquidityLayerRelayerConfig: LiquidityLayerRelayerConfig = {
   },
   namespace: environment,
   prometheusPushGateway:
-    'http://prometheus-pushgateway.monitoring.svc.cluster.local:9091',
+    'http://prometheus-prometheus-pushgateway.monitoring.svc.cluster.local:9091',
   connectionType: AgentConnectionType.Http,
 };