Update Snapd to 2.36.3
Changelog:
- Fixes for seeding issues affecting core18 systems
- Fixes for syntax errors in SELinux policy
- Snapd now detects when the apparmor profile for snap-confine cannot be loaded
- Snapd now detects when apparmor_parser is too old, disabling the apparmor security backend if required (for openSUSE Leap 42.3)
- Snapd now retries some operations that failed on temporary DNS error
- Snapd no longer writes the system key if security setup fails
- The snap run command now supports --trace-exec argument