Bump extension/deps/openvic-simulation from 21d0aff to a9f3012

Bumps [extension/deps/openvic-simulation](https://github.com/OpenVicProject/OpenVic-Simulation) from `21d0aff` to `a9f3012`.
- [Commits](OpenVicProject/OpenVic-Simulation@21d0aff...a9f3012)

---
updated-dependencies:
- dependency-name: extension/deps/openvic-simulation
  dependency-type: direct:production
...

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