Bump spectro from 081124a to 3da06b3

Bumps [spectro](https://github.com/ntBre/spectro) from `081124a` to `3da06b3`.
- [Commits](ntBre/spectro@081124a...3da06b3)

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

Signed-off-by: dependabot[bot] <support@github.com>