versioning hydra tx observations #6516

Job	Run time
Build & test (hydra-plutus)	1m 34s
Build & test (hydra-tui)	3m 11s
Build specification using nix	1m 31s
Benchmarks (hydra-node, tx-cost, --output-directory $(pwd)/../benchmarks)	2m 25s
Build & test (hydra-node)	8m 30s
Build & test (hydra-tx)	1m 56s
Benchmarks (hydra-node, micro, -o $(pwd)/../benchmarks/ledger-bench.html)	1m 41s
Build haddock using nix	1m 18s
Build & test (hydra-cluster)	10m 7s
Benchmarks (hydra-cluster, bench-e2e, datasets datasets/1-node.json datasets/3-nodes.json --outpu...	4m 1s
nix flake check	4m 21s
Compute cost differences	4m 5s
Publish benchmark results	5s
Documentation	2m 34s
Publish test results	33s
	47m 52s

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