await backportRun()

in on-merge/index.ts [80:94]


      await backportRun({
        options: {
          repoOwner: repo.owner,
          repoName: repo.repo,
          accessToken,
          interactive: false,
          pullNumber: pullRequest.number,
          assignees: [pullRequest.user.login],
          autoMerge: true,
          autoMergeMethod: 'squash',
          targetBranches: targets,
          publishStatusCommentOnFailure: true,
          publishStatusCommentOnSuccess: true, // TODO this will flip to false once we have backport summaries implemented
        },
      });