chore(deps): bump serde from 1.0.228 to 1.0.229

[dependabot]

Bumps serde from 1.0.228 to 1.0.229.

Release notes

Sourced from serde's releases.

v1.0.229

• Update to syn 3

Commits

• 7fc3b4c Release 1.0.229
• 6d6e9a1 Merge pull request #3085 from dtolnay/syn3
• 6dec3b7 Update to syn 3
• cfe6692 Resolve mut_mut pedantic clippy lint
• 1023d07 Update actions/upload-artifact@v6 -> v7
• dd682c2 Update actions/checkout@v6 -> v7
• 5f0f18b Update ui test suite to nightly-2026-06-01
• 63a1498 Regenerate stderr with trybuild normalization fixes
• fa7da4a Fix unused_features warning
• 6b1a178 Unpin CI miri toolchain
• Additional commits viewable in compare view

[entelligence-ai-pr-reviews]

EntelligenceAI PR Summary

Dependency update in Cargo.lock to upgrade the serde ecosystem and a major version bump of syn used by serde_derive.

• serde, serde_core, serde_derive: 1.0.228 → 1.0.229 (checksums updated)
• syn (transitive dependency of serde_derive): 2.0.119 → 3.0.1 (major version bump)

---

Confidence Score: 4/5 - Mostly Safe

Likely safe but review recommended — this dependency bump includes a major version jump of syn from 2.0.119 to 3.0.1 as a transitive dependency of serde_derive, which warrants verification that the procedural macro code generation behavior remains consistent. The serde, serde_core, and serde_derive crates themselves only increment a patch version (1.0.228 → 1.0.229), which is low risk, but the syn major version bump could introduce subtle behavioral differences in how derive macros expand, particularly for complex or edge-case struct/enum serialization patterns. No automated review comments flagged issues, but the syn 3.x series should be confirmed against the serde_derive changelog to ensure no breaking changes affect the project's serialization contracts.

Key Findings:

• syn jumping from 2.0.119 to 3.0.1 is a major version bump for a procedural macro dependency — major versions in Rust signal breaking API changes, and while end-users of serde_derive are insulated from the syn API directly, any behavioral changes in parsing or code generation in syn 3.x could silently alter how derive macros expand in edge cases.
• serde, serde_core, and serde_derive patch bumps (1.0.228 → 1.0.229) are routine and low risk, with only checksum updates in Cargo.lock, indicating no structural changes to those crates' APIs.
• No CI/test results are referenced in the PR description to confirm that the syn 3.x transition compiles and passes all serialization-related tests, which would be the primary validation needed before merging with confidence.
• No substantive issues found and no unresolved prior comments — scored Mostly Safe rather than Review Recommended.

Files requiring special attention

• Cargo.lock