chore: add container image list for image spec

[starnop]

Signed-off-by: yuxing.lyx yuxing.lyx@alibaba-inc.com

Describe what this PR does / why we need it

add container image list for sealer image spec

the end users can get container image list by sealer inspect and the developer can get the container image list by the key sealer.image.container.images from image annotations

Does this pull request fix one issue?

Describe how you did it

Describe how to verify it

Special notes for reviews

after that, we also need to do the following:

1. parse and store the container image list when the build phase
2. add a flag for sealer inspect to decide whether to output the list of images because of container image list could be a huge number

[codecov-commenter]

Codecov Report

Base: 17.47% // Head: 17.51% // Increases project coverage by +0.04% 🎉

Coverage data is based on head (bc0b2c4) compared to base (b55f5b5).
Patch coverage: 31.81% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1960      +/-   ##
==========================================
+ Coverage   17.47%   17.51%   +0.04%     
==========================================
  Files         103      103              
  Lines        9169     9184      +15     
==========================================
+ Hits         1602     1609       +7     
- Misses       7355     7362       +7     
- Partials      212      213       +1     

Impacted Files	Coverage Δ
pkg/define/image/v1/sealer_image_extension.go	0.00% <ø> (ø)
pkg/imageengine/buildah/inspect.go	0.00% <0.00%> (ø)
pkg/imageengine/buildah/sealer_image_extension.go	35.48% <63.63%> (+16.43%)	⬆️

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[kakaZhou719]

LGTM