build: extract sqldb generation in repo health job as artifact

[UsamaSadiq]

Description

• PR created under the issue Fix sqlite db update action in repo health job #405
• This PR modifies the repo-health-job script to skip generating the sqlite3 db file which was previously being committed to the repository.
• After this change, a new script repo-health-artifact gets triggered to generate sqlite3 db file separately from the yaml files committed to the repository by the repo health workflow build.

Testing

• The new script has been tested to work successfully in a test build https://github.com/edx/repo-health-data/actions/runs/7085336098
• The sqlite3 db file is being successfully generated as artifact with the job.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (da64bcd) 81.72% compared to head (1fd8902) 81.72%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #430   +/-   ##
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  Coverage   81.72%   81.72%           
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  Files          24       24           
  Lines        1302     1302           
=======================================
  Hits         1064     1064           
  Misses        238      238           

Flag	Coverage Δ
unittests	81.72% <ø> (ø)

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