message: Update ansible to Open Enclave 0.18.4
diff: -oe_ver: "0.18.2"
  +oe_ver: "0.18.4"
  # Usually the same, except for rc, where ver is -rc and ver_ is _rc
  -oe_ver_: "0.18.2"
  +oe_ver_: "0.18.4"
  # Source install
  workspace: "/tmp/"
  