Add nonce support for triggering services

[matKlju]

AS A platform administrator

I WANT all service trigger requests to be validated using a nonce

SO THAT only authorized requests are executed and replay attacks are prevented.

Description

Implement nonce validation for all service trigger requests.

Acceptance Criteria

• Service trigger requests require a nonce.
• Requests with a missing or invalid nonce are rejected.
• Reused nonces are rejected.
• Requests with a valid nonce execute successfully.

[1AhmedYasser]

Need to discuss extAuth with @RayDNoper