Enforce that unbonding tx always has version 2 #1221

Job	Run time
e2e-docker-build-babylon	2m 22s
e2e-docker-build-e2e-init-chain	2m 17s
docker_pipeline / prepare-metadata	1s
lint_test / build	0s
lint_test / check-mock-gen	0s
lint_test / gosec	0s
lint_test / integration-tests	0s
lint_test / lint	1m 28s
lint_test / unit-tests	2m 20s
docker_pipeline / docker_build (linux/amd64, ubuntu-24.04)	2m 12s
docker_pipeline / docker_build (linux/arm64, ubuntu-24.04-arm64)	2m 13s
e2e-run-btc-timestamping	1s
e2e-run-ibc-transfer	1s
e2e-run-btc-staking-pre-approval	1s
e2e-run-btc-staking	1s
e2e-run-upgrade-v1	1s
docker_pipeline / merge_dockerhub	1s
docker_pipeline / merge_ecr	1s
	13m 0s

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