layers/meta-balena: Update to v2.78.0
layers/meta-balena: Update to v2.78.0

Update meta-balena from 2.72.0 to 2.78.0

Changelog-entry: Update meta-balena from v2.72.0 to v2.78.0
Signed-off-by: Kyle Harding <3c25b01657254677d3e1a8fd1f0742c5d489bd39@balena.io>

resin-os/resin-odroid