memcache - upgrading typescript to 4.8.4

[jaredwray]

Please check if the PR fulfills these requirements

• Followed the Contributing guidelines.
• Tests for the changes have been added (for bug fixes/features) with 100% code coverage.
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
memcache - upgrading typescript to 4.8.4

[codecov]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (def7137) compared to base (e623535).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #508   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines          319       319           
=========================================
  Hits           319       319           

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