Do not prune cache entry if the runtime environment is different #3977

Job	Run time
cargo-test-sbf (token/program)	7m 6s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	13m 28s
test	0s
check	0s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	7m 58s
cargo-test-sbf (token-upgrade/program)	7m 51s
cargo-test-sbf (feature-proposal/program)	7m 16s
cargo-test-sbf (governance/addin-mock/program, governance/program)	10m 43s
cargo-test-sbf (memo/program)	7m 15s
cargo-test-sbf (name-service/program)	8m 9s
cargo-test-sbf (stake-pool/program)	12m 58s
cargo-test-sbf (single-pool/program)	7m 37s
	1h 30m 21s

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