Add get_blocks and get_slot methods to bench-tps-client (#94) #320

Job	Run time
check	0s
cargo-test-sbf (token/program)	6m 58s
test	0s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	12m 39s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	9m 44s
cargo-test-sbf (token-upgrade/program)	8m 52s
cargo-test-sbf (feature-proposal/program)	7m 11s
cargo-test-sbf (governance/addin-mock/program, governance/program)	11m 57s
cargo-test-sbf (memo/program)	6m 41s
cargo-test-sbf (name-service/program)	6m 52s
cargo-test-sbf (stake-pool/program)	10m 54s
cargo-test-sbf (single-pool/program)	8m 7s
	1h 29m 55s

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