basalt-26.3: crosscluster/logical/txnmode: TestTxnModeUniqueConstraintUpdate failed

crosscluster/logical/txnmode.TestTxnModeUniqueConstraintUpdate [failed](https://mesolite.cluster.engflow.com/invocations/default/68c27e32-985d-4b3d-b498-ca4f62daf522?testReportRun=1&testReportShard=2&testReportAttempt=1#targets-Ly9wa2cvY3Jvc3NjbHVzdGVyL2xvZ2ljYWwvdHhubW9kZTp0eG5tb2RlX3Rlc3Q=) on basalt-26.3 @ [ac8dd0a5e6674df51e4d0f0f292029b14dbc084c](https://github.com/cockroachdb/cockroach/commits/ac8dd0a5e6674df51e4d0f0f292029b14dbc084c):

```
=== RUN TestTxnModeUniqueConstraintUpdate
test_log_scope.go:172: test logs captured to: outputs.zip/logTestTxnModeUniqueConstraintUpdate3276151539
test_log_scope.go:82: use -show-logs to present logs inline
test_server_shim.go:168: automatically injected a shared process virtual cluster under test; see comment at top of test_server_shim.go for details.
utils.go:54: waiting for logical replication job 1206189970205442049 to reach replicated time of 1788170388.125050452,0
```

Parameters:
- attempt=1
- race=true
- run=1
- shard=2
Help

See also: [How To Investigate a Go Test Failure \(internal\)](https://cockroachlabs.atlassian.net/l/c/HgfXfJgM)

/cc @cockroachlabs/cdc

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

Jira issue: CRDB-67685

Start with crosscluster/logical/txnmode.TestTxnModeUniqueConstraintUpdate and the linked test report. Inspect outputs.zip/logTestTxnModeUniqueConstraintUpdate3276151539 and rerun with -show-logs, focusing on the wait for logical replication job 1206189970205442049. Done means the test passes with the reported race, run, shard, and attempt parameters.

Written by the indexing model from the issue text.