Update ghcr.io/toeverything/affine Docker tag to v0.26.7
I upgraded AFFiNE successfully by means of Watchtower Docker container update with dependency update facilitated by Mend's Renovate Bot.
This MR contains the following updates:
| Package | Update | Change |
|---|---|---|
| ghcr.io/toeverything/affine | patch | 0.26.3 → 0.26.7 |