Bump rbpf version to 0.8.5 (#2515) #8746

Job	Run time
cargo-test-sbf (token/program)	9m 30s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	14m 58s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	10m 47s
cargo-test-sbf (token-upgrade/program)	9m 40s
cargo-test-sbf (feature-proposal/program)	10m 1s
check	3m 58s
cargo-test-sbf (governance/addin-mock/program, governance/program)	12m 36s
cargo-test-sbf (memo/program)	9m 28s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	17m 41s
cargo-test-sbf (name-service/program)	9m 12s
test (single-pool/cli, single-pool/program)	17m 30s
cargo-test-sbf (stake-pool/program)	12m 4s
test (token-upgrade/cli, token-upgrade/program)	16m 1s
cargo-test-sbf (single-pool/program)	9m 36s
	2h 43m 2s

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