fix: apt apk images fail tooling images missing

[robert-cronin]

Adds fallback mechanisms to the apk and apt based package managers

Closes #980

Should be merged after #978

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 4.34783% with 22 lines in your changes missing coverage. Please review.

Project coverage is 45.69%. Comparing base (efaf4ac) to head (edd7728). Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/pkgmgr/pkgmgr.go	0.00%	14 Missing :warning:
pkg/pkgmgr/dpkg.go	12.50%	6 Missing and 1 partial :warning:
pkg/pkgmgr/rpm.go	0.00%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #985      +/-   ##
==========================================
- Coverage   45.80%   45.69%   -0.12%     
==========================================
  Files          18       18              
  Lines        2465     2471       +6     
==========================================
  Hits         1129     1129              
- Misses       1273     1278       +5     
- Partials       63       64       +1     

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