Replace old ref to standalone with local #534

Job	Run time
amd64 / build-stellar-friendbot	40s
amd64 / build-stellar-core	14m 14s
amd64 / build-stellar-horizon	3m 3s
amd64 / build-stellar-soroban-rpc	2m 0s
arm64 / build-stellar-core	58m 38s
arm64 / build-stellar-friendbot	2m 11s
arm64 / build-stellar-horizon	8m 6s
arm64 / build-stellar-soroban-rpc	2m 40s
amd64 / build	2m 45s
amd64 / test (pubnet)	1m 17s
amd64 / push-pr	43s
amd64 / test (local)	1m 32s
amd64 / push-release	0s
arm64 / build	5m 27s
arm64 / test (pubnet)	1m 23s
arm64 / push-pr	40s
arm64 / test (local)	2m 7s
arm64 / push-release	0s
manifest / push	4s
complete	1s
	1h 47m 31s

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