Thinlto for validator builds. (#4063) #15270

Job	Run time
cargo-test-sbf (token/program)	2m 5s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	1m 53s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	2m 9s
check	2m 33s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	2m 15s
cargo-test-sbf (token-upgrade/program)	1m 51s
test (single-pool/cli, single-pool/program)	2m 33s
cargo-test-sbf (feature-proposal/program)	2m 9s
test (token-upgrade/cli, token-upgrade/program)	2m 30s
cargo-test-sbf (governance/addin-mock/program, governance/program)	2m 5s
cargo-test-sbf (name-service/program)	1m 49s
cargo-test-sbf (stake-pool/program)	1m 52s
cargo-test-sbf (single-pool/program)	2m 6s
	27m 50s

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