node: add amazon kms and benchmark signers #13494

Job	Run time
algorand	7m 1s
Aptos	2m 59s
ethereum	1m 2s
ethereum-upgrade	4m 20s
node	2m 56s
relayer-ethereum	1m 10s
solana	3m 51s
Sui	2m 39s
cli	2m 29s
cosmwasm	1m 50s
rust-lint-and-tests (cosmwasm/Cargo.toml)	41s
spellcheck	14s
sdk_vaa	1m 13s
rust-lint-and-tests (terra/Cargo.toml)	40s
terra	6m 37s
rust-lint-and-tests (sdk/rust/Cargo.toml)	25s
terra-2	9m 43s
wormchain	3m 56s
docker	4s
npm-packages	3s
prettier	12s
tilt	15m 58s
node-lint	42s
node-tests	2m 6s
	1h 12m 51s

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