Releases: xiph/rav1e

Bump built from 0.5.2 to 0.6.0

Bumps [built](https://github.com/lukaslueg/built) from 0.5.2 to 0.6.0.
- [Release notes](https://github.com/lukaslueg/built/releases)
- [Changelog](https://github.com/lukaslueg/built/blob/master/CHANGELOG.md)
- [Commits](https://github.com/lukaslueg/built/compare/0.5.2...0.6.0)

---
updated-dependencies:
- dependency-name: built
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

p20230214

Bump libfuzzer-sys from 0.3.5 to 0.4.6

Optimise sad_plane_internal

This is part of a series of commits authored by @maj160 to improve performance of rav1e.

This commit results in an overall performance improvement of about 1% at speed 2 10-bit:

```
Benchmark 1: ~/Downloads/rav1e_master -s 2 --quantizer 64 ~/xiph-media-files/objective-1-fast-10bit/speed_bag_640x360_60f.y4m -y -o /dev/null
  Time (mean ± σ):     43.492 s ±  0.088 s    [User: 43.514 s, System: 0.167 s]
  Range (min … max):   43.329 s … 43.603 s    10 runs

Benchmark 2: ~/Downloads/rav1e_mod -s 2 --quantizer 64 ~/xiph-media-files/objective-1-fast-10bit/speed_bag_640x360_60f.y4m -y -o /dev/null
  Time (mean ± σ):     43.062 s ±  0.086 s    [User: 43.068 s, System: 0.173 s]
  Range (min … max):   42.947 s … 43.224 s    10 runs
```

p20230110

Fix header coding for level_idx < 7.