Bump chisel3 from `63f25ac4` to `42f5d890` (#301)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `63f25ac4` to `42f5d890`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/63f25ac4b4d7c9bd530ff1875ad38d835a82e051...42f5d89045e7db323670964a982c59319cf9001f

)

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

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>