Bump either from 1.13.0 to 1.15.0

Bumps [either](https://github.com/rayon-rs/either) from 1.13.0 to 1.15.0.
- [Commits](rayon-rs/either@1.13.0...1.15.0)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -39,7 +39,7 @@ regex = "1.9"
 quick-xml = { version = "0.23", features = ["encoding", "escape-html"] }
 chrono = "0.4"
 pinyin = "0.10"
-either = "1.9"
+either = "1.15"
 atomicwrites = "0.4"
 
 [dependencies.tbot]