v2.0: program-runtime: double program cache size (backport of #3481) #12948

Job	Run time
cargo-test-sbf (token/program)	10m 57s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	15m 42s
check	3m 20s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	9m 40s
cargo-test-sbf (token-upgrade/program)	8m 21s
cargo-test-sbf (feature-proposal/program)	9m 22s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	17m 9s
cargo-test-sbf (governance/addin-mock/program, governance/program)	14m 40s
test (single-pool/cli, single-pool/program)	17m 50s
cargo-test-sbf (memo/program)	8m 35s
test (token-upgrade/cli, token-upgrade/program)	15m 13s
cargo-test-sbf (name-service/program)	10m 55s
cargo-test-sbf (stake-pool/program)	11m 43s
cargo-test-sbf (single-pool/program)	9m 49s
	2h 43m 16s

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