A benchmark suite for the `getFirstAvailableBlock` RPC call #14766

Job	Run time
check	3m 33s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	17m 55s
test (single-pool/cli, single-pool/program)	18m 6s
cargo-test-sbf (token/program)	7m 26s
test (token-upgrade/cli, token-upgrade/program)	16m 32s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	12m 58s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	8m 59s
cargo-test-sbf (token-upgrade/program)	8m 0s
cargo-test-sbf (feature-proposal/program)	7m 19s
cargo-test-sbf (governance/addin-mock/program, governance/program)	10m 55s
cargo-test-sbf (name-service/program)	6m 58s
cargo-test-sbf (stake-pool/program)	10m 20s
cargo-test-sbf (single-pool/program)	7m 40s
	2h 16m 41s

Provide feedback