Update actions/cache digest to 6849a64

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/cache	action	digest	3624ceb -> 6849a64

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[openshift-ci]

Hi @renovate[bot]. Thanks for your PR.

I'm waiting for a redhat-appstudio member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.97%. Comparing base (26783a8) to head (9ca6c6e).
Report is 5 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2214      +/-   ##
============================================
+ Coverage     43.95%   43.97%   +0.02%     
  Complexity      795      795              
============================================
  Files           275      275              
  Lines         13396    13396              
  Branches       1356     1356              
============================================
+ Hits           5888     5891       +3     
+ Misses         6891     6889       -2     
+ Partials        617      616       -1     

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