fallbackdirs: Update list for October 2021 releases
We are about to roll out an 0.3.5.x, 0.4.5.x, 0.4.6.x and 0.4.7.x release. This ticket is to update the lists on all maintained versions.
We are about to roll out an 0.3.5.x, 0.4.5.x, 0.4.6.x and 0.4.7.x release. This ticket is to update the lists on all maintained versions.