Unify engines #8846

Job	Run time
Fuzz	14m 2s
Unit (macos-12)	9m 43s
Unit (ubuntu-20.04)	4m 32s
Protobuf Lint	6s
Unit (ubuntu-22.04)	7m 18s
Up-to-date protobuf	32s
Unit (ubuntu-24.04)	4m 15s
Up-to-date mocks	1m 57s
e2e_existing_network	3m 16s
Unit (windows-2022)	8m 31s
e2e_post_etna	3m 30s
Unit (custom-arm64-jammy)	13m 9s
e2e_pre_etna	3m 26s
Lint	3m 24s
Unit (custom-arm64-noble)	14m 9s
Image build	10m 29s
Upgrade	2m 53s
Run bootstrap monitor e2e tests	6m 6s
Up-to-date go.mod and go.sum	9s
Build Antithesis avalanchego images	3m 7s
Build Antithesis xsvm images	3m 40s
	1h 58m 14s

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