Update FBGEMM_GPU_VERSION to 1.8.0 (#8519)

Promotes fbgemm-gpu, 1.8.0 from the test channel to stable. This release
aligns with PyTorch 2.13.

### Note: re-cut of the initial 1.8.0 GPU wheels
The first 1.8.0 wheels were built against a stale PyTorch version, which
produced an ABI mismatch.

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=${FBGEMM_GPU_VERSION:-1.7.0}
+FBGEMM_GPU_VERSION=${FBGEMM_GPU_VERSION:-1.8.0}
 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}