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:eb72496cac1bac9ba55aa9f2fee0fbfe443c7e74d4e738579dbed564cc5fbd85
-size 661764234
+oid sha256:b292360fa3745448b207f2898d3f21d46b5f5aff085ed75752dc66b6bfaf7c1e
+size 344140718

onnx/decoder_model_merged_q4f16.onnx

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:31e23869d0af766adf4e1d9d3df34a69e7e10651df960ec6230a7fd7809105d9
-size 379152361
+oid sha256:62815cc30071d024b7b399b1c3a9f99e44a4de1b1e46601f5cacf8b483dc3e42
+size 193439002