Bump chisel3 from `71c0a2e7` to `98678524` (#138)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `71c0a2e7` to `98678524`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/71c0a2e7fe74b198ae94ba31b1445317c4b23389...9867852420a7ca2d7b857ea652cc05f745e397dc

)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>