git: openjdk/babylon: code-reflection: [hat] gitignore updated

[Juan Fumero]

Changeset: aef53864
Branch: code-reflection
Author:    Juan Fumero <jfumero at openjdk.org>
Date:      2026-01-22 11:06:07 +0000
URL:       https://git.openjdk.org/babylon/commit/aef5386463a110de807f2eac73b0dc877ed55b6d

[hat] gitignore updated

! hat/.gitignore