chore(submodule): bump etc/data/nnet from 88cafa8 to 32b923f (#996)

Bumps etc/data/nnet from `88cafa8` to `32b923f`.

---
updated-dependencies:
- dependency-name: etc/data/nnet
  dependency-version: 32b923f402893b621984672d9d5519cb4bb7eef1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]