Bump chisel3 from `8bcdfdac` to `c064836d` (#177)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `8bcdfdac` to `c064836d`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/8bcdfdaceef1904cb7e53991c1d28e8ea8612a36...c064836dc8df449d57bb4a2ca76e4fde92da394b

)

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

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