ci: fix trivy throttling

[sozercan]

What this PR does / why we need it:

trivy db is getting throttled due to unknown ghcr throttling, adding official fallback mirrors from aws and dockerhub

Which issue(s) this PR fixes (optional, using fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when the PR gets merged):
Fixes #

Special notes for your reviewer:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.63%. Comparing base (3350319) to head (26f44ad).
Report is 190 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (3350319) and HEAD (26f44ad). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (3350319)	HEAD (26f44ad)
unittests	2	1

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3696      +/-   ##
==========================================
- Coverage   54.49%   47.63%   -6.86%     
==========================================
  Files         134      236     +102     
  Lines       12329    19786    +7457     
==========================================
+ Hits         6719     9426    +2707     
- Misses       5116     9477    +4361     
- Partials      494      883     +389     

Flag	Coverage Δ
unittests	47.63% <ø> (-6.86%)	⬇️

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