fix: override undici to ^7.0.0 (#734)

## Problem
- The undici dependency version 6.22.0 contains CVE-2026-22036, which is
categorized as a "Strong Negative" security issue
## Solution
- override undici to ^7.0.0
<!---
    REMINDER:
    - Read CONTRIBUTING.md first.
    - Add test coverage for your changes.
    - Link to related issues/commits.
    - Testing: how did you test your changes?
    - Screenshots if applicable
-->

## License

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

Author: laileni-aws