Update actions/cache action to v5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/cache	action	major	v4 -> v5

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Release Notes

actions/cache (actions/cache)

v5

Compare Source

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Configuration

📅 Schedule: Branch creation - "after 9am on Monday" (UTC), Automerge - At any time (no schedule defined).

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.36%. Comparing base (9bb1d9c) to head (a22a883).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #12   +/-   ##
=======================================
  Coverage   94.36%   94.36%           
=======================================
  Files          17       17           
  Lines         621      621           
  Branches      110      121   +11     
=======================================
  Hits          586      586           
  Misses         35       35           

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