Add flash-attention patch for falcon-7b (#3580) #1631

Job	Run time
pre-commit / pre-commit	1m 58s
build-bot / Build Images	41s
build-backend-worker / Build Images	1m 32s
build-backend / Build Images	1m 41s
build-inference-safety / Build Images	13m 19s
build-inference-server / Build Images	2m 54s
build-inference-worker-full / Build Images	4m 31s
build-inference-worker-hf / Build Images	1m 45s
build-inference-worker-standalone / Build Images	1m 47s
build-web / Build Images	22s
deploy-to-node / deploy	2m 56s
	33m 26s

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