update RuntimeTransaction to use ComputeBudgetInstructionDetails in s… #247

Job	Run time
benchmark (solana-sdk, cargo +$rust_nightly bench -p solana-sdk)	1m 31s
benchmark (solana-runtime, cargo +$rust_nightly bench -p solana-runtime)	1m 10s
benchmark (solana-gossip, cargo +$rust_nightly bench -p solana-gossip)	3m 8s
benchmark (solana-poh, cargo +$rust_nightly bench -p solana-poh)	1m 34s
benchmark (solana-core, cargo +$rust_nightly bench -p solana-core)	5m 44s
benchmark (sbf, make -C programs/sbf all, cargo +$rust_nightly bench --manifest-path programs/sbf...	1m 37s
benchmark (solana-accounts-db, cargo +$rust_nightly bench -p solana-accounts-db --bench accounts_...	13m 28s
	28m 12s

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