Bump chisel3 from `6c640932` to `941dd7ee` (#269)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `6c640932` to `941dd7ee`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/6c6409328034e06c4b722e87022029b287e9c90c...941dd7ee76cadacbdd10b3d10d267f5d58a7ed4e

)

---
updated-dependencies:
- dependency-name: chisel3
  dependency-type: direct:production
...

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