Update optimized LiteRT model files

efficientnet_b1.tflite

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:602c25c17d9e233c25f5d7cfec5e3ff7a8adf8284496b8793a8f2787a90f2d0a
-size 31409032
+oid sha256:05bcca49d7c2662f944eafabde9460674316eb3efd79032b5c9bf758057b8ee6
+size 31132320

efficientnet_b1_dynamic_wi8_afp32.tflite

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5269f015a0692cb62df093e3dde9b4533d640908db75d3c83c4bd646b2b87404
-size 8814872
+oid sha256:e2b1af45691f3b18d119d0cf9ba2d278cd04a8fba6fe86908ae4145024fce06a
+size 8540672