master: update release-tools#74

Merged

k8s-ci-robot merged 7 commits intokubernetes-csi:masterfrom

pohly:prow-update-master

Jul 9, 2020

Commits on Jun 17, 2020

filter-junit: Fix golint error
animeshk08
committed

Commits on Jun 18, 2020

Commits on Jul 8, 2020

Commits on Jul 9, 2020

release-tools: update
pohly
committed