Bump generators/cva6 from cafef4a to 6a03c43

Bumps [generators/cva6](https://github.com/ucb-bar/cva6-wrapper) from `cafef4a` to `6a03c43`.
- [Commits](ucb-bar/cva6-wrapper@cafef4a...6a03c43)

---
updated-dependencies:
- dependency-name: generators/cva6
  dependency-type: direct:production
...

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