chore(submodule): bump etc/data/nnet from efa89e4 to 800f8f3 (#1144)

Bumps etc/data/nnet from `efa89e4` to `800f8f3`.

---
updated-dependencies:
- dependency-name: etc/data/nnet
  dependency-version: 800f8f38dba46fef729ee228590f4f2d66e7fbaf
  dependency-type: direct:production
...

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