v2.0: extends Turbine fanout experiment to wider fanout values (backport of #2373) #8554

Job	Run time
check	2m 15s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	1m 47s
test (single-pool/cli, single-pool/program)	1m 38s
test (token-upgrade/cli, token-upgrade/program)	1m 50s
cargo-test-sbf (token/program)	2m 27s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	2m 25s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	2m 30s
cargo-test-sbf (token-upgrade/program)	2m 19s
cargo-test-sbf (feature-proposal/program)	2m 10s
cargo-test-sbf (governance/addin-mock/program, governance/program)	2m 27s
cargo-test-sbf (memo/program)	2m 14s
cargo-test-sbf (name-service/program)	2m 24s
cargo-test-sbf (stake-pool/program)	2m 10s
cargo-test-sbf (single-pool/program)	2m 28s
	31m 4s

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