Add latest release-tools to release-4.0 branch#498

Merged

k8s-ci-robot merged 3 commits intokubernetes-csi:release-4.0from

ggriffiths:latest_release_tools_release40_apr15

Apr 16, 2021

Commits on Apr 15, 2021

Squashed 'release-tools/' changes from 3b6d17b1..bc0504ad
Grant Griffiths
committed
Merge commit '4683101b9e82793d9685a74b758acce55e19b8a9' into release-4.0
Grant Griffiths
committed

Commits on Apr 16, 2021

Run go mod tidy with go 1.16
Grant Griffiths
committed