build: update manifest tool version to v1.0.0
build: update manifest tool version to v1.0.0

The manifest tool is needed for pushing images to dockerhub.
The tool has been failing the past two days due to running
an old version.

Signed-off-by: Travis Nielsen <a8b474fdb3f77f44446f0ab9ddca8147b09b3a9e@redhat.com>

rook/rook,rook/rook,rook/nfs,rook/rook,rook/nfs,rook/nfs,rook/rook,rook/rook