fix(deps): Bump immutable to v4 || v5

[jfox-box]

This bumps the immutable peer dependency to v4 || v5 to satisfy box-ai-content-answers which as a constraint of >4.0.0.

This doesn't affect draft-js beacuse it declares immutable as a direct dependency, not a peer dependency.

Summary by CodeRabbit

• Chores
  • Updated dependency versions for improved compatibility and stability.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: b9a19c25-9ceb-4719-9a10-f7b3fe68d1d7

📥 Commits

Reviewing files that changed from the base of the PR and between 8f84598 and 8ba74f1.

⛔ Files ignored due to path filters (1)

• yarn.lock is excluded by !**/yarn.lock, !**/*.lock

📒 Files selected for processing (1)

• package.json

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Walkthrough

This PR updates the immutable library version constraints in package.json to support newer releases. DevDependencies are updated to v5.1.5, while peerDependencies are expanded to accept both v4 and v5 versions, maintaining backward compatibility.

Changes

Immutable Version Constraints

Layer / File(s)	Summary
Dependency Constraints package.json	DevDependencies immutable updated from ^3.8.3 to ^5.1.5. PeerDependencies immutable updated from ^3.8.3 to `^4.3.8

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• box/box-ui-elements#4474: Updates immutable version constraints in package.json with similar scope and intent.

Suggested labels

ready-to-merge

Suggested reviewers

• jpan-box
• tjuanitas

Poem

🐰 Hop along, dear friend, through version trees so tall,
From thrice-old immutable to version five's grand hall,
Four or five now welcome in the peers' embrace,
Backward compatible—a most harmonious place!
Dependencies dance together, version-wise and bright, ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately and concisely summarizes the main change: bumping the immutable dependency to support v4 || v5.
Description check	✅ Passed	The description provides context for the dependency bump and mentions no impact on draft-js, though it lacks structured sections compared to the template.
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.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bump-immutable-v4-v5

Warning

There were issues while running some tools. Please review the errors and either fix the tool's configuration or disable the tool if it's a critical failure.

🔧 Microsoft Presidio Analyzer (2.2.362)

package.json

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