chore: Adds dependabot cleanup workflow action

[pan-kot]

Same as here: https://github.com/cloudscape-design/components/blob/main/.github/workflows/dependabot-lockfile-cleanup.yml

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.90%. Comparing base (563e4f0) to head (c19c7ed).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #217   +/-   ##
=======================================
  Coverage   98.90%   98.90%           
=======================================
  Files          44       44           
  Lines        1190     1190           
  Branches      320      321    +1     
=======================================
  Hits         1177     1177           
+ Misses         13       12    -1     
- Partials        0        1    +1     

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