Bump chisel3 from `bced7704` to `945416c6` (#323)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `bced7704` to `945416c6`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/bced77045c8fc5db37e40b159c49220929e15d46...945416c628656498be7a98dcd4899f2b9e830c00

)

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

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