build(deps): bump ahash from 0.8.6 to 0.8.9 (#9737)

Bumps [ahash](https://github.com/tkaitchuck/ahash) from 0.8.6 to 0.8.9.
- [Release notes](https://github.com/tkaitchuck/ahash/releases)
- [Commits](https://github.com/tkaitchuck/ahash/commits/v0.8.9)

---
updated-dependencies:
- dependency-name: ahash
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

helix-event/Cargo.toml

@@ -12,7 +12,7 @@ homepage.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-ahash = "0.8.3"
+ahash = "0.8.9"
 hashbrown = "0.14.0"
 tokio = { version = "1", features = ["rt", "rt-multi-thread", "time", "sync", "parking_lot", "macros"] }
 # the event registry is essentially read only but must be an rwlock so we can