Only check with -Werror in CI #3696

Job	Run time
Build haddock using nix	5m 56s
Build specification using nix	1m 0s
Benchmarks (hydra-node, tx-cost, --output-directory $(pwd)/../benchmarks)	2m 32s
Benchmarks (hydra-node, micro, -o $(pwd)/../benchmarks/ledger-bench.html)	1m 44s
Build & test (plutus-cbor)	1m 11s
Benchmarks (hydra-cluster, bench-e2e, datasets datasets/1-node.json datasets/3-nodes.json --outpu...	4m 57s
Build & test (plutus-merkle-tree)	1m 16s
nix flake check	5m 6s
Benchmarks (plutus-merkle-tree, on-chain-cost, $(pwd)/../benchmarks)	1m 32s
Build & test (hydra-plutus)	1m 13s
Build & test (hydra-tui)	2m 1s
Build & test (hydra-node)	4m 23s
Build & test (hydra-cluster)	6m 2s
Publish benchmark results	7s
Publish test results	1s
Documentation	1s
	39m 2s

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