2e206dbe77ec service: add support for triggers on service/instance data changes
735b48728fca service: remove leftover lines from previous commit
32469644a029 service: allow incremental changes to service properties
fd01fb852302 service: fix double free bug when dealing with data
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 3d900bd055b5d8f07a879c9c8c4f7783d35dd4ba)