Make it possible to configure limits as matching testnet, or unlimited #525

Job	Run time
amd64 / build-stellar-soroban-rpc	2m 53s
amd64 / build-stellar-core	46s
amd64 / build-stellar-friendbot	1m 20s
amd64 / build-stellar-horizon	3m 34s
arm64 / build-stellar-core	36s
arm64 / build-stellar-friendbot	4m 31s
arm64 / build-stellar-horizon	16m 15s
arm64 / build-stellar-soroban-rpc	2m 0s
amd64 / build	4m 38s
amd64 / test (local)	2m 3s
amd64 / test (local, --enable-soroban-rpc)	2m 5s
amd64 / push-pr	50s
amd64 / push-release	0s
arm64 / build	6m 39s
arm64 / test (local)	3m 22s
arm64 / test (local, --enable-soroban-rpc)	2m 52s
arm64 / push-pr	57s
arm64 / push-release	0s
manifest / push	5s
complete	1s
	55m 27s

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