[DML] Register DML operators for opset 19 (#16939)
### Description
<!-- Describe your changes. -->
Register DML operators for opset 19.
- Cast19
- Castlike19
- Constant19
- Equal19
- Identity19
- QuantizeLinear19
- DequantizeLinear19
- Reshape19
- Shape19
- Size
### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->
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Co-authored-by: linnealovespie <linneamay@microsoft.com>