Revert "install_pmbootstrap.sh: use 2.3.x branch (MR 6)"
pmbootstrap master is now good enough to use as default in CI.
See https://gitlab.com/postmarketOS/pmbootstrap/-/issues/2396
This reverts commit 755b5064.
pmbootstrap master is now good enough to use as default in CI.
See https://gitlab.com/postmarketOS/pmbootstrap/-/issues/2396
This reverts commit 755b5064.