fix(deps): loosen nodejs version requirement (#1570)
fix(deps): loosen nodejs version requirement (#1570)

There's no need for such a high minimum nodejs version -- we're not taking advantage of any new features of node.
This cherry-picked version is what I had installed locally when I was developing it. The version requirement forced me to unnecessarily update my nodejs version to run this binary.
googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots