Feature - Adds `UpgradeableLoaderInstruction::Migrate` #18050

Job	Run time
check (associated-token-account)	1m 35s
check (feature-proposal)	9m 26s
test_cli (single-pool)	22m 13s
check (instruction-padding)	58s
test_cli (token-2022)	13m 35s
check (memo)	1m 15s
check (record)	2m 14s
cargo-test-sbf (associated-token-account)	7m 33s
check (single-pool)	5m 11s
cargo-test-sbf (feature-proposal)	7m 27s
check (slashing)	1m 32s
cargo-test-sbf (instruction-padding)	6m 22s
check (stake-pool)	4m 42s
cargo-test-sbf (memo)	7m 8s
check (token-2022)	6m 43s
cargo-test-sbf (record)	7m 0s
cargo-test-sbf (single-pool)	7m 38s
cargo-test-sbf (slashing)	12m 58s
cargo-test-sbf (stake-pool)	10m 28s
cargo-test-sbf (token-2022)	8m 7s
	2h 24m 5s

Provide feedback