[PB-6545]: feature/apply cancellation trial

[xabg2]

What's new:

• New EP to apply the cancellation trial for elegible users.
• New types so we can know if the user is elegible or not to the cancellation trial (if the user already redeemed it or not).

Summary by CodeRabbit

• New Features

  • Added a new payments action to apply a cancellation trial for a subscription.

• Chores

  • Bumped the package version from 1.17.11 to 1.17.12.

• Developer Experience

  • Updated payment-related types to better reflect cancellation trial and commitment details.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 192f1c99-9be9-4db5-bd9f-aee88c148dcf

📥 Commits

Reviewing files that changed from the base of the PR and between 5cb538c and 288cb5b.

📒 Files selected for processing (3)

• package.json
• src/drive/payments/index.ts
• src/drive/payments/types/types.ts

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📝 Walkthrough

Walkthrough

This PR adds a Commitment type, updates StoragePlan's commitment and cancellationTrial field structures, adds a new applyCancellationTrial method to the Payments class that POSTs to a cancellation-trial endpoint, and bumps the package version.

Changes

Cancellation Trial Feature

Layer / File(s)	Summary
Commitment and StoragePlan type updates src/drive/payments/types/types.ts	Adds exported Commitment type with enabled, and optional remainingMonths, cancellationDate, isElegibleForCancellation; updates StoragePlan's commitment field to use Commitment and adds redeemed: boolean to cancellationTrial.
applyCancellationTrial API method src/drive/payments/index.ts	Adds public applyCancellationTrial(subscriptionId) method to Payments, issuing a POST request to /customer/cancellation-trial.
Package version bump package.json	Bumps version from 1.17.11 to 1.17.12.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Related PRs: None identified.

Suggested labels: None

Suggested reviewers: None

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: adding cancellation trial application support.
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

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/types-for-mailbox-emails

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