chore: spin down vanguard0 (hyperlane-xyz#6121)

### Description

chore: spin down vanguard0
- update hyperlane image tag to latest `main` build
- remove vanguard blacklisting
- remove vanguard from keyfunder config

### Drive-by changes

- add `ontology` to keyfunder `chainsToSkip`, as we have not received
funding for deploying on that chain yet

### Related issues

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

<!--
Are these changes backward compatible? Are there any infrastructure
implications, e.g. changes that would prohibit deploying older commits
using this infra tooling?

Yes/No
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### Testing

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What kind of testing have these changes undergone?

None/Manual/Unit Tests
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Author: paulbalaji

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

@@ -846,9 +846,9 @@ const hyperlane: RootAgentConfig = {
     rpcConsensusType: RpcConsensusType.Fallback,
     docker: {
       repo,
-      tag: '3a04631-20250428-170554',
+      tag: 'f05ebc4-20250502-225226',
     },
-    blacklist: [...blacklist, ...vanguardMatchingList],
+    blacklist,
     gasPaymentEnforcement: gasPaymentEnforcement,
     metricAppContextsGetter,
     ismCacheConfigs,
@@ -886,9 +886,9 @@ const releaseCandidate: RootAgentConfig = {
     rpcConsensusType: RpcConsensusType.Fallback,
     docker: {
       repo,
-      tag: '673c6d2-20250502-141150',
+      tag: 'f05ebc4-20250502-225226',
     },
-    blacklist: [...blacklist, ...vanguardMatchingList],
+    blacklist,
     // We're temporarily (ab)using the RC relayer as a way to increase
     // message throughput.
     // whitelist: releaseCandidateHelloworldMatchingList,
@@ -924,9 +924,9 @@ const neutron: RootAgentConfig = {
     rpcConsensusType: RpcConsensusType.Fallback,
     docker: {
       repo,
-      tag: '3a04631-20250428-170554',
+      tag: 'f05ebc4-20250502-225226',
     },
-    blacklist: [...blacklist, ...vanguardMatchingList],
+    blacklist,
     gasPaymentEnforcement,
     metricAppContextsGetter,
     ismCacheConfigs,

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

@@ -32,9 +32,8 @@ export const keyFunderConfig: KeyFunderConfig<
   contextsAndRolesToFund: {
     [Contexts.Hyperlane]: [Role.Relayer, Role.Kathy],
     [Contexts.ReleaseCandidate]: [Role.Relayer, Role.Kathy],
-    [Contexts.Vanguard0]: [Role.Relayer],
   },
-  chainsToSkip: [],
+  chainsToSkip: ['ontology'],
   // desired balance config, must be set for each chain
   desiredBalancePerChain: desiredRelayerBalancePerChain,
   // if not set, keyfunder defaults to 0