🐛 fix private image container scans

[imilchev]

makes sure private container image scans work. The issue was that the container pull secrets were overriding the mondoo folder, so the mondoo config was no longer available. That resulted in failure to communicate with upstream

[czunker]

LGTM. Thanks @imilchev

[github-actions]

Test Results

  9 files  ±  0   54 suites  +45   4h 47m 43s ⏱️ - 2h 33m 45s
293 tests +273  293 ✅ +280  0 💤 ±0  0 ❌  -  7 
433 runs  +253  433 ✅ +308  0 💤 ±0  0 ❌  - 55 

Results for commit c3e1298. ± Comparison against base commit 15b620d.