build(deps): bump ropey from 1.5.1-alpha to 1.5.1 (helix-editor#5374)

Bumps [ropey](https://github.com/cessen/ropey) from 1.5.1-alpha to 1.5.1.
- [Release notes](https://github.com/cessen/ropey/releases)
- [Changelog](https://github.com/cessen/ropey/blob/master/CHANGELOG.md)
- [Commits](https://github.com/cessen/ropey/commits/v1.5.1)

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

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

helix-core/Cargo.toml

@@ -17,7 +17,7 @@ integration = []
 [dependencies]
 helix-loader = { version = "0.6", path = "../helix-loader" }
 
-ropey = { version = "1.5.1-alpha", default-features = false, features = ["simd"] }
+ropey = { version = "1.5.1", default-features = false, features = ["simd"] }
 smallvec = "1.10"
 smartstring = "1.0.1"
 unicode-segmentation = "1.10"