Bump chisel3 from `0750bc2f` to `76ada881` (#358)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `0750bc2f` to `76ada881`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/0750bc2f46d49c8fdfd0c07a2ac80c74311b3f15...76ada881d077118384907f498576b3b338291ff6

)

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

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

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