feat: SDK update for version 28.2.0

[ChiragAgg5k]

This PR contains updates to the SDK for version 28.2.0.

What's Changed

• Added: optional interval parameter on functions.create and functions.update to run a function every N minutes
• Added: interval on the Function model and functionsIntervalMinimum on the BillingPlan model

[hansi-codes]

🟢 Tier S · Ready to merge

This release updates the Ruby SDK version to 28.2.0 and adds the interval parameter to function creation and updates. The Function and BillingPlan models now expose and serialize their respective interval fields, and the function examples include the new option.

Verdict	New comments	Fixed	Still open
✅ Approved	0	0	0

📂 Walkthrough · 8

File	Change
CHANGELOG.md	Documents the 28.2.0 additions.
appwrite.gemspec	Bumps the gem version to 28.2.0.
docs/examples/functions/create.md	Adds the optional interval argument to the create example.
docs/examples/functions/update.md	Adds the optional interval argument to the update example.
lib/appwrite/client.rb	Updates the SDK version header to 28.2.0.
lib/appwrite/models/billing_plan.rb	Adds mapping for functions_interval_minimum.
lib/appwrite/models/function.rb	Adds mapping for the function interval field.
lib/appwrite/services/functions.rb	Adds interval to function create/update request parameters and API documentation.

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_{Reviewed 3a55946 · Details · Comment @hansi-codes review to re-run, or mention @hansi-codes with a question.}

[hansi-codes]

🟢 Tier S · Looks good to merge. Summary