build(deps): bump serde from 1.0.217 to 1.0.219 (#332)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.217 to 1.0.219.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.217...v1.0.219)

---
updated-dependencies:
- dependency-name: serde
  dependency-version: 1.0.219
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -10,7 +10,7 @@ include = ["LICENSE", "README.md", "number-line-ranges.svg", "src/**"]
 
 [dependencies]
 proptest = { version = "1.6.0", optional = true }
-serde = { version = "1.0.217", features = ["derive"], optional = true }
+serde = { version = "1.0.219", features = ["derive"], optional = true }
 smallvec = { version = "1.14.0", features = ["union"] }
 
 [features]