Bump chisel3 from `116210ff` to `9a7945fd` (#382)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `116210ff` to `9a7945fd`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/116210ff806ccdda91b4c3343f78bad66783d0e6...9a7945fd86fcad02da0556d8f4a30daa4b005f9d

)

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

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