WIP: test with apptainer

[mr-c]

Start of working on #185 (help appreciated!)

• image_puller.py
• docker_extract.py
• sandboxjs.py
• utils.py

[codecov]

Codecov Report

Merging #186 (5d34eb8) into main (c74e030) will decrease coverage by 1.80%.
Report is 1 commits behind head on main.
The diff coverage is n/a.

❗ Current head 5d34eb8 differs from pull request most recent head 498a2df. Consider uploading reports for the commit 498a2df to get more accurate results

@@            Coverage Diff             @@
##             main     #186      +/-   ##
==========================================
- Coverage   40.93%   39.14%   -1.80%     
==========================================
  Files          30       30              
  Lines       23528    23398     -130     
  Branches     6390     6651     +261     
==========================================
- Hits         9631     9158     -473     
- Misses      11822    12204     +382     
+ Partials     2075     2036      -39     

see 15 files with indirect coverage changes