Bump chisel3 from `7ff5fd4a` to `341dd51d` (#337)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `7ff5fd4a` to `341dd51d`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/7ff5fd4aa7dc01099614da9cc3b72d53f61d1cdb...341dd51d76b8b068c59b184ceb952624d42abbfa

)

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

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