Adding min dependencies for Granite 4 / Mamba support

[Maxusmusti]

Updating transformers minimum version to 4.57.0 for Granite 4 support, as well as including mamba-ssm[causal-conv1d]>=2.2.5 for efficient Mamba model support (Granite 4 included).

Summary by CodeRabbit

• New Features

  • Added optional CUDA acceleration via the mamba-ssm package (causal-conv1d), enabling faster inference and training on supported GPUs. Users can opt in by installing the CUDA extras.

• Chores

  • Updated the Transformers dependency to >=4.57.0 to improve compatibility, stability, and access to newer model features and fixes.

[coderabbitai]

Walkthrough

Updates dependency constraints in pyproject.toml: raises the minimum transformers version to >=4.57.0 and adds an optional CUDA extra dependency mamba-ssm[causal-conv1d]>=2.2.5.

Changes

Cohort / File(s)	Summary
Dependency constraints pyproject.toml	- Bump: transformers >=4.55.0 → >=4.57.0 - Add CUDA extra: mamba-ssm[causal-conv1d]>=2.2.5

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

I twitch my whiskers at version signs,
New gears click in the dependency lines.
Transformers stride to fifty-seven’s gate,
Mamba coils with CUDA’s fate.
I thump approval—light and swift—
Hop-ready builds, a tidy lift.

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	The title clearly summarizes the primary change of updating minimum dependencies to support Granite 4 and Mamba, matching the core scope of the pull request without extraneous detail.
Docstring Coverage	✅ Passed	No functions found in the changes. Docstring coverage check skipped.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch mamba-update

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between fc2175d and c560d29.

📒 Files selected for processing (1)

• pyproject.toml (2 hunks)

🔇 Additional comments (1)

pyproject.toml (1)

20-62: Confirm PyPI package versions and extras availability

Manually verify that transformers 4.57.0 is published and mamba-ssm 2.2.5 defines a causal-conv1d extra; missing assets will break installs.

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[RobotSail]

LGTM