[code-reflection] Integrated: OnnxProtoBuilder fixes

[Adam Sotona]

On Thu, 16 Oct 2025 13:37:13 GMT, Adam Sotona <asotona at openjdk.org> wrote:

> - fixes ONNX graph output name of returned tuple element
> - fixes String AttributeProto value

This pull request has now been integrated.

Changeset: 02d3c681
Author:    Adam Sotona <asotona at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/02d3c681cdc21976cdbe293be8f49aaea352d706
Stats:     7 lines in 1 file changed: 6 ins; 1 del; 0 mod

OnnxProtoBuilder fixes

-------------

PR: https://git.openjdk.org/babylon/pull/614