Bump external/injector in the submodules group

Bumps the submodules group with 1 update: [external/injector](https://github.com/ThirteenAG/injector).


Updates `external/injector` from `9da9f94` to `1391267`
- [Commits](ThirteenAG/injector@9da9f94...1391267)

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

Signed-off-by: dependabot[bot] <[email protected]>