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
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-size 661764234
+oid sha256:f0027d283ca24692022063acf0a282f51a46ba07b59670f8228a08d6b51e00b0
+size 344140718

onnx/decoder_model_merged_q4f16.onnx

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:083607a212890a22cd081f17b8258c1df76b18e2952e0654c07689908882d959
-size 379152361
+oid sha256:706076dddfca0fd4866ccab6c3b9456a5776dd4fdbd00abb4611530249f71291
+size 193439002