build(deps): bump libdav1d-sys from 0.6.0 to 0.7.0+libdav1d.1.4.0

Bumps [libdav1d-sys](https://github.com/njaard/libavif-rs) from 0.6.0 to 0.7.0+libdav1d.1.4.0.
- [Commits](https://github.com/njaard/libavif-rs/commits)

---
updated-dependencies:
- dependency-name: libdav1d-sys
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]