Add opencontainers.org metadata to image

[pkqk]

Add a few of the main labels specified by https://github.com/opencontainers/image-spec/blob/main/annotations.md

[codecov-commenter]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (6513b73) 72.45% compared to head (d2a6089) 73.17%.
Report is 7 commits behind head on main.

❗ Current head d2a6089 differs from pull request most recent head d7635df. Consider uploading reports for the commit d7635df to get more accurate results

Files	Patch %	Lines
config.go	0.00%	7 Missing ⚠️
executable_schema.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #245      +/-   ##
==========================================
+ Coverage   72.45%   73.17%   +0.72%     
==========================================
  Files          27       27              
  Lines        3902     3981      +79     
==========================================
+ Hits         2827     2913      +86     
+ Misses        926      921       -5     
+ Partials      149      147       -2     

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