Bump chisel3 from `12bebb1a` to `3e422dc9` (#193)

Bumps [chisel3](https://github.com/freechipsproject/chisel3) from `12bebb1a` to `3e422dc9`.
- [Release notes](https://github.com/freechipsproject/chisel3/releases)
- [Commits](https://github.com/freechipsproject/chisel3/compare/12bebb1a21c6e3a424287d5c3800391299cabde9...3e422dc969e2f73be703138aa17988be5657b132

)

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

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