How to use the shipjs-lib.getReleaseTag function in shipjs-lib

runStep({ title: 'Gathering repository information.' }, () => {
    const appName = getAppName(dir);
    const latestCommitHash = getLatestCommitHash(dir);
    const latestCommitUrl = getCommitUrl(remote, latestCommitHash, dir);
    const { url: repoURL } = getRepoInfo(remote, dir);
    const releaseTag = getReleaseTag(version);

    return {
      appName,
      version,
      latestCommitHash,
      latestCommitUrl,
      repoURL,
      releaseTag,
    };
  });

warning(
          `The name of the branch is \`${destinationBranch}\`, but you don't have it yet.`
        )
      );
      print(warning('Create that branch pointing to a latest stable commit.'));
      print(warning('After that, try again.'));
      print('');
      print(warning('Rolling back for now...'));
      run({ command: `git checkout ${baseBranch}`, dir, dryRun });
      run({ command: `git branch -D ${stagingBranch}`, dir, dryRun });
      exitProcess(0);
    }
    const { url: repoURL, owner, name: repo } = getRepoInfo(remote, dir);
    const publishCommandInStr = getPublishCommandInStr({
      isYarn: detectYarn(dir),
      tag: getReleaseTag(nextVersion),
      monorepo,
      publishCommand,
      dir,
    });
    const title = formatPullRequestTitle({ version: nextVersion, releaseType });
    const message = formatPullRequestMessage({
      formatPullRequestTitle,
      repoURL,
      baseBranch,
      stagingBranch,
      destinationBranch,
      mergeStrategy,
      currentVersion,
      nextVersion,
      releaseType,
      publishCommandInStr,