Small changes to run benchmarks for lots of transactions #6083

Job	Run time
Benchmarks (hydra-node, tx-cost, --output-directory $(pwd)/../benchmarks)	4m 31s
Build & test (plutus-cbor)	1m 25s
Build specification using nix	1m 49s
Benchmarks (hydra-node, micro, -o $(pwd)/../benchmarks/ledger-bench.html)	4m 15s
Build & test (plutus-merkle-tree)	1m 28s
Benchmarks (hydra-cluster, bench-e2e, datasets datasets/1-node.json datasets/3-nodes.json --outpu...	4m 34s
Build & test (hydra-plutus)	1m 55s
Benchmarks (plutus-merkle-tree, on-chain-cost, $(pwd)/../benchmarks)	1m 41s
Build & test (hydra-tui)	7m 3s
Build haddock using nix	5m 51s
Build & test (hydra-node)	8m 32s
Build & test (hydra-tx)	2m 3s
nix flake check	4m 54s
Build & test (hydra-cluster)	8m 33s
Compute cost differences	5m 37s
Publish benchmark results	0s
Documentation	1s
Publish test results	1s
	1h 4m 13s

Provide feedback