feat: dynamic support for pixel_suffle and pixel_unshuffle

[chohk88]

Description

Support dynamic shapes for aten.pixel_suffle and aten.pixel_unshuffle.

The overall logic is the same as before, but now shape information is retrieved using add_shape, and additional TensorRT operations are used as needed. As shown in the test cases, it fully supports dynamic shapes for all dimensions.

Type of change

• New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the style guidelines of this project (You can use the linters)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas and hacks
• I have made corresponding changes to the documentation
• I have added tests to verify my fix or my feature
• New and existing unit tests pass locally with my changes
• I have added the relevant labels to my PR in so that relevant reviewers are notified

[zewenli98]

LGTM