ci: add support for a manual purge

[remyleone]

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Relates OR Closes #0000

Release note for CHANGELOG:

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.24%. Comparing base (5bf53e0) to head (d354b27).
⚠️ Report is 1048 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (5bf53e0) and HEAD (d354b27). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (5bf53e0)	HEAD (d354b27)
	2	1

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4540      +/-   ##
==========================================
- Coverage   75.45%   69.24%   -6.21%     
==========================================
  Files         202      300      +98     
  Lines       44323    68213   +23890     
==========================================
+ Hits        33444    47236   +13792     
- Misses       9653    19323    +9670     
- Partials     1226     1654     +428     

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