Upload fixed & optimized fp16/q4f16 ONNX weights

onnx/decoder_model_merged_fp16.onnx

@@ -1,3 +1,3 @@
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+oid sha256:d397d848888ab7e4cd1ac7b49acd90f439cde1a9674aae86fb3263d28402ab67
+size 1815500528

onnx/decoder_model_merged_q4f16.onnx

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a07ea4f8bee1af93119ca6b8d89796991791059ef9dc56dfc37173d54693f82a
-size 1158094704
+oid sha256:0ab82cc2eba54a90de8c1cf3dfb4d0197d3cfdc56516efc8a617bb092768cac8
+size 609900007