Update dependencies and fix clippy lints

[shssoichiro]

also remove deprecated authors field from Cargo.toml since crates.io already knows the crate owners

[shssoichiro]

I have no idea why there are failures in CI that I can't produce locally

[shssoichiro]

Oh no, I think it's failing now because the docker image auto-updated to vapoursynth r73. Well... I guess I need to prioritize fixing that.

[codecov]

Codecov Report

❌ Patch coverage is 65.90909% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.99%. Comparing base (93b4948) to head (1f89795).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
av1an-core/src/vapoursynth.rs	47.61%	11 Missing ⚠️
av1an-core/src/context.rs	0.00%	2 Missing ⚠️
av1an-core/src/target_quality.rs	88.88%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1178      +/-   ##
==========================================
+ Coverage   62.08%   62.99%   +0.91%     
==========================================
  Files          23       23              
  Lines        6461     7258     +797     
==========================================
+ Hits         4011     4572     +561     
- Misses       2450     2686     +236     

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