chore(cargo): bump smallvec from 1.14.0 to 1.15.0

Bumps [smallvec](https://github.com/servo/rust-smallvec) from 1.14.0 to 1.15.0.
- [Release notes](https://github.com/servo/rust-smallvec/releases)
- [Commits](https://github.com/servo/rust-smallvec/compare/v1.14.0...v1.15.0)

---
updated-dependencies:
- dependency-name: smallvec
  dependency-version: 1.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.toml

@@ -92,7 +92,7 @@ serde = { workspace = true, features = ["derive"] }
 sha-1 = "0.10"
 sha2 = "0.10"
 shadowsocks = { version = "1.22.0", default-features = false, features = ["aead-cipher", "aead-cipher-2022"] }
-smallvec = "1.14.0"
+smallvec = "1.15.0"
 strum = "0.27"
 strum_macros = "0.27"
 tagger = "4.3.4"