Update efa/README.md

Author: r4victor

docker/base/efa/README.md

@@ -2,8 +2,7 @@
 
 This image has the following installed:
 
-* CUDA 12.1
-* AWS EFA Installer 1.38.1 (Libfabric + Open MPI 4 + Open MPI 5)
-* NCCL 2.26.2-1
-* AWS OFI NCCL 1.14.0
+* CUDA 12.8
+* AWS EFA Installer 1.48.0 (Libfabric + Open MPI + AWS OFI NCCL 1.19.0)
+* NCCL 2.27.7-1
 * NCCL Tests