chore: reduce crate size and update wasm-bindgen compatibility

[antonpiat]

No description provided.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: 7de53a8d-8373-4c41-bcbe-6233ba6bb376

📥 Commits

Reviewing files that changed from the base of the PR and between 349e061 and f87cc6f.

⛔ Files ignored due to path filters (1)

• programs/token-metadata/Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (2)

• clients/rust/Cargo.toml
• programs/token-metadata/program/Cargo.toml

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Summary by CodeRabbit

• Chores
  • Improved published package contents to ensure required source files and README documentation are included in distributed Rust packages.

Walkthrough

The two Cargo manifests now explicitly include src/**/* and README.md in published crate packages.

Changes

Crate packaging

Layer / File(s)	Summary
Manifest package inclusion clients/rust/Cargo.toml, programs/token-metadata/program/Cargo.toml	Cargo include directives restrict package contents to source files and README.md.

Estimated code review effort: 1 (Trivial) | ~2 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	No pull request description was provided, so there is no meaningful description to evaluate.	Add a short description of the packaging changes and the intended impact on crate size or compatibility.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title matches the crate packaging changes and the size-reduction goal, though the wasm-bindgen part is not reflected in this diff.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Fix failing CI checks

🧪 Generate unit tests (beta)

• Create PR with unit tests

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