Bump chisel3 from `ae33fe50` to `df5a9545` (#333)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `ae33fe50` to `df5a9545`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/ae33fe50a5a9ef99125bb325fc5f10c831bb4186...df5a95454ff0414d1d3ce16d06dbe27b152e3751

)

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

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