Added blacklist check for recipient during redeemRequest

[iamsahu]

Description

Added a check to ensure that black listed address can't be added as a recipient for redemption request

Notice

• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Have you assigned this PR to yourself?
• Have you added at least 1 reviewer?
• Have you updated the official documentation?
• Have you added sufficient documentation in your code?
• Have you added relevant tests to the official test suite?

Pull Request Type

• 💫 New Feature (Breaking Change)
• 💫 New Feature (Non-breaking Change)
• 🛠️ Bug fix (Non-breaking Change: Fixes an issue)
• 🕹️ Chore (Non-breaking Change: Doc updates, pkg upgrades, typos, etc..)

Testing

• Have you tested this code with the official test suite?
• Have you tested this code manually?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.48%. Comparing base (3e32b97) to head (07cfbe8).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #267   +/-   ##
=======================================
  Coverage   94.47%   94.48%           
=======================================
  Files          75       75           
  Lines        1775     1778    +3     
  Branches      250      251    +1     
=======================================
+ Hits         1677     1680    +3     
  Misses         41       41           
  Partials       57       57           

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[mischat]

This looks good to me, thanks