Update dependency to Jenkins 1.532.2
Update dependency to Jenkins 1.532.2

The ssh-credentials plugin requires 1.532.2 and has required 1.532.2
for at least the last two releases. Jenkins 1.509 was released over 2
years ago and has been superseded by 1.532.x, 1.554.x, 1.565.x,
1.580.x, and 1.596.x.

MarkEWaite/git-client-plugin,MarkEWaite/git-client-plugin,MarkEWaite/git-client-plugin