update FA

Signed-off-by: Lucas Wilkinson <[email protected]>

Author: LucasWilkinson

cmake/external_projects/vllm_flash_attn.cmake

@@ -38,7 +38,7 @@ else()
   FetchContent_Declare(
           vllm-flash-attn
           GIT_REPOSITORY https://github.com/vllm-project/flash-attention.git
-          GIT_TAG 9fb5f6704034623cc2e0f85ad2adbeed23c82aed
+          GIT_TAG 2c6bcfc0feb3d9d4a57b243fc159a68aa9933f5b
           GIT_PROGRESS TRUE
           # Don't share the vllm-flash-attn build between build types
           BINARY_DIR ${CMAKE_BINARY_DIR}/vllm-flash-attn