Bump firrtl from `3d12cf4` to `07aa895` (#363)

Bumps [firrtl](https://github.com/freechipsproject/firrtl) from `3d12cf4` to `07aa895`.
- [Release notes](https://github.com/freechipsproject/firrtl/releases)
- [Commits](https://github.com/freechipsproject/firrtl/compare/3d12cf4165f7851ff838467b1e5ab36592ae4fcb...07aa89505e8b495e0005c008f96ce55de29d90c0

)

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

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