Promote FBGEMM 1.7.0 to release channel (#8484)

Promotes FBGEMM 1.7.0 wheels from the test channel to the release
channel.

1.7.0 is already published on PyPI, but the download.pytorch.org
`whl/release`
wheels were never promoted

Verified the test-channel wheel imports cleanly against its paired
PyTorch 2.12:

Author: gchalump

release/release_versions.sh

@@ -15,7 +15,7 @@ TORCH_TENSORRT_RTX_VERSION=${TORCH_TENSORRT_VERSION}
 TORCHAO_VERSION=${TORCHAO_VERSION:-0.18.0}
 TORCHDATA_VERSION=${TORCHDATA_VERSION:-0.11.0}
 TORCHTUNE_VERSION=${TORCHTUNE_VERSION:-0.2.1}
-FBGEMM_GPU_VERSION=${FBGEMM_GPU_VERSION:-1.8.0}
+FBGEMM_GPU_VERSION=${FBGEMM_GPU_VERSION:-1.7.0}
 FBGEMM_GPU_GENAI_VERSION=${FBGEMM_GPU_VERSION}
 MSLK_VERSION=${MSLK_VERSION:-1.3.0}
 FLASH_ATTN_3_VERSION=${FLASH_ATTN_3_VERSION:-3.0.0}