Revert "ci: switch to pmbootstrap v3 (MR 5566)"
As of ci-common@666df6d1 the default pmbootstrap version used is master, not 2.3.x. As such, let's avoid duplicating that downstream.
This reverts commit 7a930582.
As of ci-common@666df6d1 the default pmbootstrap version used is master, not 2.3.x. As such, let's avoid duplicating that downstream.
This reverts commit 7a930582.