Bump externals/sgdk from 93f3317 to f6a1754

Bumps [externals/sgdk](https://github.com/Stephane-D/SGDK) from `93f3317` to `f6a1754`.
- [Release notes](https://github.com/Stephane-D/SGDK/releases)
- [Commits](Stephane-D/SGDK@93f3317...f6a1754)

---
updated-dependencies:
- dependency-name: externals/sgdk
  dependency-type: direct:production
...

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