build(deps): bump either from 1.8.0 to 1.9.0 (#4780)

Bumps [either](https://github.com/bluss/either) from 1.8.0 to 1.9.0.
- [Commits](rayon-rs/either@1.8.0...1.9.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -5,7 +5,7 @@ edition.workspace = true
 
 [dependencies]
 blake3 = "1.4"
-either = "1.8.0"
+either = "1.9.0"
 futures = "0.3.4"
 graph = { path = "../../graph" }
 graph-graphql = { path = "../../graphql" }