Upload fixed & optimized fp16/q4f16 ONNX weights

onnx/decoder_model_merged_fp16.onnx

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c9adb93fdc6a043157f82dffdddab2494772aa31944d2810f5b7fa1cd6aa2d7f
-size 2820001
+oid sha256:670c9a5b506f58ed6fc5ad0b47df6dfafcb3377d5bacd9121f5f0de9c58d65d2
+size 1815500528

onnx/decoder_model_merged_q4f16.onnx

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:dc0db179978f8b4cdf4ad4d2ab0ee9a718c135b29d10dcd9e02ac1c1e048218f
-size 1158094704
+oid sha256:b5965fda21a5729b2cabbc22049b5585a55d6b1378dbaa5665bf8ed4997dbdb0
+size 609900007