deps: bump rust-i18n from 3.1.5 to 4.0.0

Bumps [rust-i18n](https://github.com/longbridge/rust-i18n) from 3.1.5 to 4.0.0.
- [Release notes](https://github.com/longbridge/rust-i18n/releases)
- [Commits](longbridge/rust-i18n@v3.1.5...v4.0.0)

---
updated-dependencies:
- dependency-name: rust-i18n
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -23,7 +23,7 @@ helix-core = { git = "https://github.com/helix-editor/helix", tag = "25.07.1" }
 rand = "0.10"
 ratatui = "0.30"
 rodio = { version = "0.22", default-features = false, features = ["vorbis", "playback"], optional = true }
-rust-i18n = "3"
+rust-i18n = "4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 syntect = { version = "5.3", default-features = false, features = ["default-themes", "default-syntaxes", "regex-onig"] }