Expose opset19 and new dtypes (#819)

Co-authored-by: Chun-Wei Chen <[email protected]>

Author: justinchuby

onnxscript/__init__.py

@@ -27,6 +27,7 @@
     opset16,
     opset17,
     opset18,
+    opset19,
     opset_ai_onnx_ml1,
     opset_ai_onnx_ml2,
     opset_ai_onnx_ml3,
@@ -35,6 +36,10 @@
 from .onnx_types import (
     BFLOAT16,
     FLOAT16,
+    FLOAT8E4M3FN,
+    FLOAT8E4M3FNUZ,
+    FLOAT8E5M2,
+    FLOAT8E5M2FNUZ,
     FLOAT,
     DOUBLE,
     INT8,
@@ -73,6 +78,10 @@
     "graph",
     "BFLOAT16",
     "FLOAT16",
+    "FLOAT8E4M3FN",
+    "FLOAT8E4M3FNUZ",
+    "FLOAT8E5M2",
+    "FLOAT8E5M2FNUZ",
     "FLOAT",
     "DOUBLE",
     "INT8",
@@ -105,6 +114,7 @@
     "opset16",
     "opset17",
     "opset18",
+    "opset19",
     "opset_ai_onnx_ml1",
     "opset_ai_onnx_ml2",
     "opset_ai_onnx_ml3",