Bump chisel3 from `03f62c8c` to `45909f02` (#343)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `03f62c8c` to `45909f02`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/03f62c8c9bc2f6cc65ab34b8902f5e9a61701595...45909f02e86edff010902c0317e813a8753837b9

)

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

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