Bump library/rust in /cargo

Bumps library/rust in `/cargo` from 1.97.1-bookworm to 1.98.0-bookworm.


Updates `library/rust` from 1.97.1-bookworm to 1.98.0-bookworm

---
updated-dependencies:
- dependency-name: library/rust
  dependency-version: 1.98.0-bookworm
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: per-image/library/rust
...

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