feat: add ruby language parser (#1939)

[XDRAGON2002]

Closes #1939

[codecov-commenter]

Codecov Report

Merging #1940 (35875f3) into main (2402d71) will decrease coverage by 10.03%. The diff coverage is 97.36%.

@@             Coverage Diff             @@
##             main    #1940       +/-   ##
===========================================
- Coverage   88.38%   78.34%   -10.04%     
===========================================
  Files         318      319        +1     
  Lines        7301     7339       +38     
  Branches     1195     1204        +9     
===========================================
- Hits         6453     5750      -703     
- Misses        573     1333      +760     
+ Partials      275      256       -19     

Flag	Coverage Δ
longtests	78.34% <97.36%> (+0.11%)	:arrow_up:
win-longtests	?

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Impacted Files	Coverage Δ
cve_bin_tool/parsers/__init__.py	95.00% <ø> (ø)
test/test_language_scanner.py	90.00% <92.30%> (+0.34%)	:arrow_up:
cve_bin_tool/parsers/parse.py	100.00% <100.00%> (ø)
cve_bin_tool/parsers/ruby.py	100.00% <100.00%> (ø)
test/test_requirements.py	0.00% <0.00%> (-89.88%)	:arrow_down:
cve_bin_tool/data_sources/curl_source.py	39.56% <0.00%> (-56.05%)	:arrow_down:
cve_bin_tool/nvd_api.py	24.00% <0.00%> (-52.80%)	:arrow_down:
cve_bin_tool/data_sources/nvd_source.py	29.18% <0.00%> (-50.82%)	:arrow_down:
test/test_nvd_api.py	50.87% <0.00%> (-40.36%)	:arrow_down:
test/test_source_nvd.py	60.71% <0.00%> (-39.29%)	:arrow_down:
... and 25 more

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[XDRAGON2002]

Resolved the conflicts. Yes, I believe almost all the tests in the file can be unified and easily dealt with by using parameterization. I'll look into it and open an issue for it appropriately.

[terriko]

Resolved the new merge conflict, running tests.