Error: Changes must be made through a pull request.

[SurferJeffAtGoogle]

Seen in log:
https://pantheon.corp.google.com/errors/detail/CPbG9Y_khsaMkwE?mods=allow_workbench_image_override&project=repo-automation-bots

{
errorGroups: [1]
insertId: "653a8665000494a12c9c5802"
jsonPayload: {
@type: "type.googleapis.com/google.devtools.clouderrorreporting.v1beta1.ReportedErrorEvent"
err: {8}
level: 50
message: "Changes must be made through a pull request."
trigger: {6}}
labels: {1}
logName: "projects/repo-automation-bots/logs/run.googleapis.com%2Fstdout"
receiveTimestamp: "2023-10-26T15:31:49.568978448Z"
resource: {2}
severity: "ERROR"
timestamp: "2023-10-26T15:31:49.300193Z"
trace: "projects/repo-automation-bots/traces/0a734640ae7d944ff25e2d5d76c7f7c3"
}