v0.26.2

Small release containing only a few PRs - releasing now to get a
critical scheduler fix out (see #851 for more).

Fixes:

- plugin: Use multiple event handler threads (#854)

Other changes:

- neonvm-controller: Enable seccomp profile (#833)
- neonvm: Make .status.restartCount not a pointer (#845)
- neonvm: Remove controller metrics auth proxy (#825)

Upgrade path from v0.26.x:

- No ordering requirements.