roachtest: monitor_failure failed

roachtest.monitor_failure [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/20237068?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/20237068?buildTab=artifacts#/failover/partial/lease-leader/lease=expiration) on release-25.3.0-rc @ [8e21055d11394ad3d67d574efc6baebee688dddd](https://github.com/cockroachdb/cockroach/commits/8e21055d11394ad3d67d574efc6baebee688dddd):

```
test failover/partial/lease-leader/lease=expiration failed: (failover.go:1853).sleepFor: sleep failed: context canceled
(monitor.go:241).Wait: monitor failure: monitor user task failed: t.Fatal() was called
EOF [owner=test-eng]
(cluster.go:2493).Run: context canceled
test artifacts and logs in: /artifacts/failover/partial/lease-leader/lease=expiration/run_1
```

Parameters:
- arch=amd64
- cloud=gce
- coverageBuild=false
- cpu=2
- encrypted=false
- 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-20237068/failover-partial-lease-leader-lease-expiration/1753351031066/1753351464621)

Same failure on other branches

- #147884 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.2]
- #146627 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1.19-rc]
- #143828 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.1.3-rc]
- #142946 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.1.2-rc]
- #142510 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.1.1-rc]
- #142507 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1.14-rc]
- #141693 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.3.7-rc]
- #141692 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.3.7-rc]
- #140344 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.3.5-rc]
- #139551 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake]

/cc @cockroachdb/test-eng

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Jira issue: CRDB-52868