Bump chisel3 from `76ada881` to `bfa9f746` (#359)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `76ada881` to `bfa9f746`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/76ada881d077118384907f498576b3b338291ff6...bfa9f7465e6069b1e624126f9e14245b69e7c0a9

)

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

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