Bump chisel3 from `941dd7ee` to `4ee545d7` (#270)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `941dd7ee` to `4ee545d7`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/941dd7ee76cadacbdd10b3d10d267f5d58a7ed4e...4ee545d7706a2d2ba59902fb86a4393287327a9a

)

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

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