ACP-77: Implement DisableSubnetValidatorTx #8841

Job	Run time
Fuzz	14m 18s
e2e_pre_etna	11m 10s
Unit (macos-12)	8m 9s
Protobuf Lint	7s
Up-to-date protobuf	26s
Unit (ubuntu-20.04)	4m 57s
Unit (ubuntu-22.04)	7m 28s
Unit (ubuntu-24.04)	4m 48s
Run bootstrap monitor e2e tests	6m 35s
Up-to-date mocks	1m 56s
e2e_existing_network	4m 24s
Unit (windows-2022)	11m 40s
Unit (custom-arm64-jammy)	13m 32s
Up-to-date go.mod and go.sum	12s
Unit (custom-arm64-noble)	14m 28s
e2e_post_etna	13m 7s
Lint	3m 32s
Build Antithesis avalanchego images	8m 25s
Build Antithesis xsvm images	11m 58s
Image build	10m 33s
Upgrade	3m 5s
	2h 34m 50s

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