Stale-bot: Do not mark issues stale when pending maintainer action (#5156)
Stale-bot: Do not mark issues stale when pending maintainer action (#5156)

Only adds stale with labels 'answered,needs info' in issues and 'needs update' in PRs

Signed-off-by: Yong Tang <765086fe2e0c1f980161f127fec596800f327f62@outlook.com>
chrisohaver/coredns,coredns/coredns,yongtang/coredns