Bump riscv-isa-sim from `929ff56` to `740e635`

Bumps [riscv-isa-sim](https://github.com/riscv/riscv-isa-sim) from `929ff56` to `740e635`.
- [Release notes](https://github.com/riscv/riscv-isa-sim/releases)
- [Commits](https://github.com/riscv/riscv-isa-sim/compare/929ff56a09462978628c59c22fe6cb6895aa136f...740e6353a166ec3ba936b200482d6fc381b8082b

)

---
updated-dependencies:
- dependency-name: riscv-isa-sim
  dependency-type: direct:production
...

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