[riverpod_generator] `dev` - Add `provider_name_prefix` and `provider_family_name_prefix` to `build.yaml`

[ValentinVignal]

Related Issues

Related to https://github.com/rrousselGit/riverpod/issues/3189 and follow up of https://github.com/rrousselGit/riverpod/pull/3348

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  ## Unreleased fix/major/minor
  
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• [x] If this contains new features or behavior changes, I have updated the documentation to match those changes.