Bump scraper from 0.20.0 to 0.21.0

Bumps [scraper](https://github.com/causal-agent/scraper) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/causal-agent/scraper/releases)
- [Commits](rust-scraper/scraper@v0.20.0...v0.21.0)

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

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

Cargo.toml

@@ -34,7 +34,7 @@ reqwest = { version = "0.12.4", features = ["json"] }
 rusqlite = { version = "0.27.0", features = ["bundled", "limits"] }
 rustyline = { version = "14.0.0" }
 rust-s3 = { version = "0.35.1" }
-scraper = { version = "0.20.0" }
+scraper = { version = "0.21.0" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0.132", features = ["raw_value"] }
 serde_repr = { version = "0.1.19" }