Adds --no-snapshots to disable generating snapshots #18241

Job	Run time
test_cli (single-pool)	1m 10s
test_cli (token-2022)	1m 10s
check (associated-token-account)	1m 9s
cargo-test-sbf (associated-token-account)	1m 10s
check (feature-proposal)	1m 9s
cargo-test-sbf (feature-proposal)	1m 11s
check (instruction-padding)	55s
cargo-test-sbf (instruction-padding)	1m 11s
check (memo)	1m 10s
check (record)	1m 5s
check (single-pool)	1m 10s
cargo-test-sbf (memo)	1m 10s
check (slashing)	1m 10s
cargo-test-sbf (record)	1m 9s
check (stake-pool)	1m 9s
cargo-test-sbf (single-pool)	1m 11s
check (token-2022)	1m 9s
cargo-test-sbf (slashing)	1m 11s
cargo-test-sbf (stake-pool)	1m 11s
cargo-test-sbf (token-2022)	1m 9s
	22m 59s

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