a95f4fa83f
* charm-helpers sync for classic charms * build.lock file for reactive charms * ensure tox.ini is from release-tools * ensure requirements.txt files are from release-tools * On reactive charms: - ensure stable/21.04 branch for charms.openstack - ensure stable/21.04 branch for charm-helpers Change-Id: I3741b0cabb03c39a950f1d807f7ff89b2855b5a3