chore(deps): update opentelemetry to 0.32 and bump labkit-rs
What does this MR do and why?
Bump opentelemetry from 0.31 to 0.32. Also bumps labkit-rs to latest main (551256f) which includes the matching otel 0.32 bump.
Replaces !1328 (closed) (renovate bot opened from a fork, couldn't rebase).
Testing
No code changes — dependency-only bump. Clippy clean, 189 unit tests pass.
Performance Analysis
- This merge request does not introduce any performance regression. If a performance regression is expected, explain why.