Fix packer and update plugins

It got broken by deprecated Ansible syntax. I built a new image to verify that it's now working as intended.

requested review from @foutrelis, @gromit, @klausenbusk, and @artafinde

assigned to @svenstaro

added 3 commits

• 532c9081...202d6803 - 2 commits from branch master
• 07cac01f - Fix packer and update plugins

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approved this merge request

mentioned in commit 4f52131d

merged