[antithesis] Add test setup for xsvm #5130

Job	Run time
e2e	8s
e2e_existing_network	7s
Protobuf Lint	9s
Up-to-date protobuf	6s
Fuzz	2s
Lint	7s
Unit (macos-12)	2s
Upgrade	6s
Unit (ubuntu-20.04)	5s
Up-to-date mocks	7s
Unit (ubuntu-22.04)	5s
Unit (windows-2022)	2s
Up-to-date go.mod and go.sum	8s
Unit (self-hosted, linux, ARM64, focal)	20s
govulncheck	5s
Unit (self-hosted, linux, ARM64, jammy)	19s
Build Antithesis avalanchego images	19s
Build Antithesis xsvm images	19s
Image build	20s
	2m 56s

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