ci(SBOM): better SBOM maintenance

[Molkree]

Born from discussion in related issue #1646 (comment).

This will run a scheduled workflow that should update SBOMs every week if there are any changes. Also added an option to run it manually if there's a need (as part of a release workflow for example).

[codecov-commenter]

Codecov Report

Merging #2481 (75e69ad) into main (a93f003) will decrease coverage by 4.47%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2481      +/-   ##
==========================================
- Coverage   82.34%   77.87%   -4.48%     
==========================================
  Files         591      591              
  Lines        9729     9729              
  Branches     1319     1319              
==========================================
- Hits         8011     7576     -435     
- Misses       1372     1850     +478     
+ Partials      346      303      -43     

Flag	Coverage Δ
longtests	76.94% <ø> (-4.93%)	⬇️
win-longtests	75.35% <ø> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cve_bin_tool/data_sources/curl_source.py	36.45% <0.00%> (-58.34%)	⬇️
cve_bin_tool/data_sources/nvd_source.py	22.82% <0.00%> (-35.69%)	⬇️
cve_bin_tool/cvedb.py	42.23% <0.00%> (-31.06%)	⬇️
cve_bin_tool/data_sources/osv_source.py	34.11% <0.00%> (-28.51%)	⬇️
cve_bin_tool/data_sources/gad_source.py	49.36% <0.00%> (-21.52%)	⬇️
cve_bin_tool/available_fix/debian_cve_tracker.py	63.26% <0.00%> (-14.29%)	⬇️
cve_bin_tool/data_sources/redhat_source.py	49.66% <0.00%> (-13.25%)	⬇️
cve_bin_tool/async_utils.py	83.44% <0.00%> (-11.04%)	⬇️
test/test_cli.py	76.97% <0.00%> (-10.80%)	⬇️
cve_bin_tool/output_engine/pdfbuilder.py	83.83% <0.00%> (-7.19%)	⬇️
... and 3 more

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[terriko]

Looks good, thanks!