feat: adding a basic retrying

[geekbrother]

Description

This PR adds basic retrying to the Projects registry API and project features API client. The number of retries is set to 2 (3 total attempts) with a 5-second timeout and exponential backoff starting from 100ms.

How Has This Been Tested?

Tested in the Blockchain-API branch.

Due Diligence

• Breaking change
• Requires a documentation update
• Requires a e2e/integration test update

[Copilot]

Pull Request Overview

This PR adds retry functionality to HTTP requests in the Projects registry API client. It implements exponential backoff with configurable retry parameters to improve resilience against transient network failures.

• Adds retry mechanism with exponential backoff for HTTP GET requests
• Updates default timeout from no timeout to 5 seconds
• Introduces configurable retry parameters (max retries, initial backoff delay)

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
src/registry/client.rs	Implements retry logic with exponential backoff and updates HTTP client configuration
Cargo.toml	Adds tracing and tokio dependencies required for retry implementation

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[xDarksome]

We should use an existing solution like backoff. Non-blocking tho, we can do it later