Update CMakeLists.txt to enable Herwig7+bb4l @aarch64 (!73193) · Merge requests · atlas / athena · GitLab

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Andrii Verbytskyi requested to merge averbyts/athena:POWHEGforH7 into main Jul 18, 2024

Update CMakeLists.txt to enable Herwig7+bb4l @aarch64

@asaibel @katharin @ewelina