Fix: Do not cache cache directory for vimeo/psalm

[localheinz]

This pull request

• stops caching the cache directory for vimeo/psalm

[codecov]

Codecov Report

Merging #159 (297a5e8) into main (73fc59d) will not change coverage.
The diff coverage is n/a.

❗ Current head 297a5e8 differs from pull request most recent head 0f6e5bd. Consider uploading reports for the commit 0f6e5bd to get more accurate results

@@             Coverage Diff             @@
##                main      #159   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity        12        12           
===========================================
  Files              3         3           
  Lines             39        39           
===========================================
  Hits              39        39           

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