#3 chore(deps): refresh compatible crate versions

Summary

Refresh compatible Rust dependencies: serde 1.0.229, serde_json 1.0.151, thiserror 2.0.20, regex 1.13.1, extism-pdk 1.4.1, rstest 0.26.1, plus a Cargo.lock update.

Why

Keep crawler/hoster plugins on current patch/minor crates without crossing crypto or Extism major lines.

Testing

• cargo test --lib (host target where .cargo/config.toml pins wasm32-wasip1)
• cargo clippy --lib --bins -- -D warnings

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Summary by cubic

Refreshes compatible Rust dependencies for crawler/hoster plugins, bumping serde, serde_json, thiserror, regex, extism-pdk, and rstest to current patch/minor releases and updating Cargo.lock.

Dependencies

• Direct dependency versions move forward without crossing crypto or Extism major lines.
• Lockfile refresh pulls in new transitive dependencies like syn 3.0.4, base64 0.23.1, and zlib-rs.

Summary by CodeRabbit

• Chores
  • Updated several underlying libraries to newer pinned versions.
  • No user-facing features or behavior changes.