feat: support committing fee-only transactions (#2425) #176

Job	Run time
benchmark (solana-sdk, cargo +$rust_nightly bench -p solana-sdk)	1m 7s
benchmark (solana-runtime, cargo +$rust_nightly bench -p solana-runtime)	1m 8s
benchmark (solana-gossip, cargo +$rust_nightly bench -p solana-gossip)	3m 6s
benchmark (solana-poh, cargo +$rust_nightly bench -p solana-poh)	1m 39s
benchmark (solana-core, cargo +$rust_nightly bench -p solana-core)	5m 32s
benchmark (sbf, make -C programs/sbf all, cargo +$rust_nightly bench --manifest-path programs/sbf...	1m 36s
benchmark (solana-accounts-db, cargo +$rust_nightly bench -p solana-accounts-db --bench accounts_...	13m 19s
	27m 27s

Provide feedback