Bump external/injector from 9da9f94 to 1391267

Bumps [external/injector](https://github.com/ThirteenAG/injector) from `9da9f94` to `1391267`.
- [Commits](ThirteenAG/injector@9da9f94...1391267)

---
updated-dependencies:
- dependency-name: external/injector
  dependency-type: direct:production
...

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