Change Era from BabbageEra to ConwayEra (Draft Rebase) #3658

Job	Run time
Build & test (plutus-cbor)	1m 30s
Build & test (plutus-merkle-tree)	1m 28s
Build & test (hydra-plutus)	1m 33s
Build & test (hydra-tui)	2m 45s
Build & test (hydra-node)	5m 1s
Build & test (hydra-cluster)	7m 56s
Build haddock using nix	1m 35s
Benchmarks (hydra-node, tx-cost, --output-directory $(pwd)/../benchmarks)	2m 52s
Benchmarks (hydra-node, micro, -o $(pwd)/../benchmarks/ledger-bench.html)	2m 5s
Build specification using nix	1m 18s
Benchmarks (hydra-cluster, bench-e2e, datasets datasets/3-nodes.cbor datasets/1-node.cbor --outpu...	5m 8s
Benchmarks (plutus-merkle-tree, on-chain-cost, $(pwd)/../benchmarks)	1m 46s
Publish benchmark results	4s
Documentation	0s
Publish test results	0s
	35m 1s

Provide feedback