Bump ark-bls12-381 from 0.4.0 to 0.5.0

Bumps [ark-bls12-381](https://github.com/arkworks-rs/algebra) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/arkworks-rs/algebra/releases)
- [Changelog](https://github.com/arkworks-rs/algebra/blob/master/CHANGELOG.md)
- [Commits](arkworks-rs/algebra@v0.4.0...v0.5.0)

---
updated-dependencies:
- dependency-name: ark-bls12-381
  dependency-version: 0.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -9,7 +9,7 @@ ignored = ["codec", "scale-info", "num_enum"]
 # Crates.io deps.
 
 anyhow = { version = "1", default-features = false }
-ark-bls12-381 = { version = "0.4", default-features = false, features = ["curve"] }
+ark-bls12-381 = { version = "0.5", default-features = false, features = ["curve"] }
 ark-ec = { version = "0.4", default-features = false }
 ark-ff = { version = "0.4", default-features = false }
 ark-std = { version = "0.4", default-features = false }