Packer: Update packer version to: 1.8.4

Change-Id: Id736502cbc252e4fefb2adcd4ee45b9aeca8f296
1 file changed
tree: 04dabf99352ad83c5c53f6d160a24862d10b1807
  1. jjb/
  2. .gitignore
  3. .gitreview
  4. .yamllint
  5. tox.ini