Update snapd to 2.37.3
Changelog:
New bugfix release:
- interfaces/seccomp: generate global seccomp profile
- overlord/snapstate: add some randomness to the catalog refresh
- tests: add upgrade test from 2.15.2ubuntu1 -> current snapd
- snap-confine: fix fallback to ubuntu-core
- packaging: avoid race in snapd.postinst
- overlord/snapstate: discard mount namespace when undoing 1st link
snap
- cmd/snap-confine: allow writes to /var/lib/** again
- tests: stop catalog-update/apt-hooks test until the catlog refresh
is randomized