Unify engines #8844

Job	Run time
Up-to-date protobuf	22s
Protobuf Lint	9s
Up-to-date mocks	1m 59s
Run bootstrap monitor e2e tests	6m 7s
e2e_post_etna	3m 19s
e2e_pre_etna	3m 25s
e2e_existing_network	3m 23s
Fuzz	14m 5s
Lint	3m 32s
Up-to-date go.mod and go.sum	15s
Build Antithesis avalanchego images	5m 4s
Build Antithesis xsvm images	3m 37s
Image build	10m 39s
Unit (macos-12)	6m 55s
Upgrade	2m 59s
Unit (ubuntu-20.04)	4m 34s
Unit (ubuntu-22.04)	7m 19s
Unit (ubuntu-24.04)	4m 21s
Unit (windows-2022)	12m 12s
Unit (custom-arm64-jammy)	12m 53s
Unit (custom-arm64-noble)	13m 30s
	2h 0m 39s

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