fix: send Alibaba Cloud SMS GET params in query string not body

[deepshekhardas]

Summary

Fixes P1 issue identified by cubic:

Issue

Alibaba Cloud SMS signature validation requires query parameters, not request body. Sending signature params in body breaks signature validation and causes API failures.

Fix

• Moved signature parameters from request body to URL query string
• GET requests now use proper query string format for Alibaba API

Changes

• src/Utopia/Messaging/Adapter/SMS/AlibabaCloud.php - Send params as query string instead of body

Identified by cubic (cubic.dev)

---

Summary by cubic

Send Alibaba Cloud SMS GET parameters in the URL query string instead of the body to match Alibaba’s signing rules. This fixes signature validation failures and restores SMS delivery.

• Bug Fixes
  • Generate signature over canonicalized, percent-encoded query; include all params in the URL and send GET with no body.
  • Added a basic send test using env vars; treats responses with Code: OK as delivered.

^{Written for commit bf2c613. Summary will update on new commits.}

[cubic-dev-ai]

No issues found across 2 files

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