feat: Adding language parser for RPM file

[tahifahimi]

Close #2916

[codecov-commenter]

Codecov Report

Attention: 40 lines in your changes are missing coverage. Please review.

Comparison is base (d6cbe40) 75.41% compared to head (4e5ca3a) 80.70%.
Report is 29 commits behind head on main.

Files	Patch %	Lines
cve_bin_tool/parsers/rpm.py	71.83%	26 Missing and 14 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3845      +/-   ##
==========================================
+ Coverage   75.41%   80.70%   +5.29%     
==========================================
  Files         808      810       +2     
  Lines       11983    12239     +256     
  Branches     1598     1657      +59     
==========================================
+ Hits         9037     9878     +841     
+ Misses       2593     1915     -678     
- Partials      353      446      +93     

Flag	Coverage Δ
longtests	75.51% <69.93%> (+0.09%)	⬆️
win-longtests	78.93% <70.42%> (?)

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[terriko]

Thanks for looking into this! I need to go look at the original PR and see if we can merge it and then yours so that the original contribution team gets appropriate credit in git, and it's probably not going to happen for a few days. But in the meantime, here's some cleanup requests:

• please remove the commented out code from the PR. I don't mind having a bit of commented code around if it useful for debugging but I think you're probably done with the parts you have commented out here.
• Is it possible to replace test_scan_files_multiline with something that tests the multiline capability and actually works? If you're not up to doing it, can you file an issue saying it needs a replacement? It needs one even now since it's failing on windows.
• If nothing uses those condensed-download/*.rpm files, they should be removed in this PR alongside the test.

[tahifahimi]

Nw, I like working on this project.
I totally understand, and it is a better idea to merge their PR since I used their code as the base of my RPM parser. So I think it would be a good idea to close this PR. I consider that the rpm.py is added to cve_bin_tool/parser/ folder based on #2964, and I will open a new PR. In the new PR, I will apply the requested notes. I can work on a test that we replace it with test_scan_files_multiline, so we can keep the condensed-download/*.rpm files, if we can have a set of tests for testing multiline capability.