Update tch requirement from 0.18 to 0.20

[dependabot[bot]]

Updates the requirements on tch to permit the latest version.

Changelog

Sourced from tch's changelog.

v0.20.0

Changed

• PyTorch v2.7 support

v0.19.0

Changed

• PyTorch v2.6 support

v0.18.1

Changed

• PyTorch v2.5.1 support

v0.18.0

Changed

• PyTorch v2.5 support

v0.17.0

Changed

• PyTorch v2.4 support

v0.16.0

Changed

• PyTorch v2.3 support

v0.15.0

Changed

• PyTorch v2.2 support

v0.14.0

Changed

• PyTorch v2.1 support 803.
• Add a pyo3-tch crate for interacting with Python via PyO3 730.
• Expose the cuda fuser enabled flag, 728.
• Improved the safetensor error wrapping, 720.

v0.13.0 - 2023-05-18

Added

• Support static linking in the build script, 712.
• Make the libtorch download opt-in rather than a default behavior. The libtorch library download can still be triggered by enabling the download-libtorch feature, 707.
• Rename the of_... conversion functions to from_... so as to be closer to the Rust best practices, 706. This is a breaking change and will require modifying calls such as of_slice to be from_slice

... (truncated)

Commits

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