feat: Adapt the LayoutPredictor to work with D-FINE

[nikos-livathinos]

Refactor the LayoutPredictor to use the D-FINE HF implementation

• Currently there is no HF transformers release that includes the D-FINE implementation. Therefore, poetry is configured to fetch transformers from their git repo.

Checklist:

• Documentation has been updated, if necessary.
• Examples have been added, if necessary.
• Tests have been added, if necessary.

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[asdlkjzxcmnb123098]

https://github.com/ShihuaHuang95/DEIM

[mergify]

Merge Protections

Your pull request matches the following merge protections and will not be merged until they are valid.

🟢 Enforce conventional commit

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Make sure that we follow https://www.conventionalcommits.org/en/v1.0.0/

• title ~= ^(fix|feat|docs|style|refactor|perf|test|build|ci|chore|revert)(?:\(.+\))?(!)?: