roachtest: stage_failure failed

roachtest.stage_failure [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/18661641?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/18661641?buildTab=artifacts#/ldr/mixed-version) on release-25.1 @ [1da02ed53e0d2d670c39413b54854c6cc294e7b0](https://github.com/cockroachdb/cockroach/commits/1da02ed53e0d2d670c39413b54854c6cc294e7b0):

```
test ldr/mixed-version failed: (mixedversion.go:804).Run: right: mixed-version test failure while running step 1 (start cluster at version "v24.3.3"): COMMAND_PROBLEM: exit status 1 [owner=test-eng]
(mixedversion.go:804).Run: left: cluster.Stage: output:
3: context canceled
: TRANSIENT_ERROR(stage_failure): context canceled [owner=test-eng]
test artifacts and logs in: /artifacts/ldr/mixed-version/run_1
```

Parameters:
- arch=amd64
- cloud=gce
- coverageBuild=false
- cpu=4
- encrypted=false
- fs=ext4
- localSSD=true
- mvtDeploymentMode=system-only
- mvtVersions=v24.3.3 → release-25.1
- runtimeAssertionsBuild=false
- ssd=0
Help

See: [roachtest README](https://github.com/cockroachdb/cockroach/blob/master/pkg/cmd/roachtest/README.md)

See: [How To Investigate \(internal\)](https://cockroachlabs.atlassian.net/l/c/SSSBr8c7)

See: [Grafana](https://go.crdb.dev/roachtest-grafana/teamcity-18661641/ldr-mixed-version/1738261843015/1738261991059)

Same failure on other branches

- #123276 roachtest: stage_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-23.2]
- #123193 roachtest: stage_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-master]
- #123047 roachtest: stage_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1]

/cc @cockroachdb/test-eng

[This test on roachdash](https://roachdash.crdb.dev/?filter=status:open%20t:.*stage_failure.*&sort=title+created&display=lastcommented+project) | [Improve this report!](https://github.com/cockroachdb/cockroach/tree/master/pkg/cmd/bazci/githubpost/issues)

Jira issue: CRDB-47004