[in_app_purchase_tizen] Upgrade from 3.2.3 to 3.3.0

[xiaowei-guan]

Fix #1096
3.3.0

• Updates in_app_purchase_android dependency to ^0.5.0.

3.2.4

• Bump org.json:json from 20251224 to 20260522 in example.
• Updates minimum supported SDK version to Flutter 3.38/Dart 3.10.
• Updates README to reflect currently supported OS versions for the latest versions of the endorsed platform implementations.
• Applications built with older versions of Flutter will continue to use compatible versions of the platform implementations.
• Clarifies completePurchase usage and the consequences of unfinished transactions in the README and docstrings.

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: 977d036e73

ℹ️ About Codex in GitHub

Codex has been enabled to automatically review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

When you sign up for Codex through ChatGPT, Codex can also answer questions or update the PR, like "@codex address that feedback".