Bump chisel3 from `32430bcf` to `d766e8f7` (#279)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `32430bcf` to `d766e8f7`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/32430bcfc49b0293748ba3f6e5000a45a3dcce92...d766e8f7270579406d54abc9015d494cd199c6ce

)

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

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