ci: add --no-tests=warn (#4461) #16392

Job	Run time
cargo-test-sbf (associated-token-account)	7m 32s
cargo-test-sbf (feature-proposal)	7m 32s
test_cli (single-pool)	16m 2s
cargo-test-sbf (instruction-padding)	6m 50s
test_cli (token-2022)	16m 17s
check (associated-token-account)	2m 11s
cargo-test-sbf (memo)	6m 19s
check (feature-proposal)	2m 16s
cargo-test-sbf (record)	6m 35s
cargo-test-sbf (single-pool)	7m 53s
check (instruction-padding)	1m 12s
cargo-test-sbf (slashing)	12m 3s
check (memo)	1m 22s
cargo-test-sbf (stake-pool)	11m 33s
check (record)	1m 10s
cargo-test-sbf (token-2022)	7m 54s
check (single-pool)	3m 5s
check (slashing)	1m 32s
check (stake-pool)	3m 20s
check (token-2022)	3m 18s
	2h 5m 56s

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