feat(trivy): Configure insecure image registries

[xyoxo]

Resolves: #545

[codecov]

Codecov Report

Merging #548 (bf50cfa) into main (85af65f) will decrease coverage by 0.00%.
The diff coverage is 70.00%.

❗ Current head bf50cfa differs from pull request most recent head ca9dd2b. Consider uploading reports for the commit ca9dd2b to get more accurate results

@@            Coverage Diff             @@
##             main     #548      +/-   ##
==========================================
- Coverage   70.62%   70.61%   -0.01%     
==========================================
  Files          63       63              
  Lines        4054     4074      +20     
==========================================
+ Hits         2863     2877      +14     
- Misses        869      876       +7     
+ Partials      322      321       -1     

Impacted Files	Coverage Δ
pkg/plugin/trivy/plugin.go	79.15% <62.50%> (-0.74%)	⬇️
pkg/starboard/config.go	75.43% <100.00%> (+0.58%)	⬆️
pkg/operator/controller/configauditreport.go	61.53% <0.00%> (-4.33%)	⬇️
pkg/operator/controller/vulnerabilityreport.go	68.31% <0.00%> (+1.64%)	⬆️
pkg/operator/controller/ciskubebenchreport.go	63.88% <0.00%> (+2.77%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 85af65f...ca9dd2b. Read the comment docs.

[danielpacak]

Good start @xyoxo See my comments before we can merge this PR