This commit is to add the clair_version into the harbor images, then clair
will use it in the user-agent, and helpful for the debugging.
Signed-off-by: wang yan <wangyan@vmware.com>
This commit bump up clair to v2.0.4. The current build process is
download the binary from google storage, the update of the binary in
google storage is not reflected in this commit.
