fix: improve janus signature

[ffontaine]

Improve janus signature to avoid catching the string 0.1.19 in version 1.1.0

Signed-off-by: Fabrice Fontaine fabrice.fontaine@orange.com

[codecov-commenter]

Codecov Report

Merging #2691 (a33a7e2) into main (02e4438) will decrease coverage by 0.73%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2691      +/-   ##
==========================================
- Coverage   82.72%   82.00%   -0.73%     
==========================================
  Files         634      640       +6     
  Lines        9970    10001      +31     
  Branches     1334     1334              
==========================================
- Hits         8248     8201      -47     
- Misses       1383     1454      +71     
- Partials      339      346       +7     

Flag	Coverage Δ
longtests	82.00% <ø> (-0.13%)	⬇️
win-longtests	?

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

Impacted Files	Coverage Δ
cve_bin_tool/checkers/janus.py	100.00% <ø> (ø)
test/test_data/janus.py	100.00% <ø> (ø)
cve_bin_tool/extractor.py	69.02% <0.00%> (-11.51%)	⬇️
cve_bin_tool/data_sources/osv_source.py	79.43% <0.00%> (-11.22%)	⬇️
test/test_checkers.py	93.87% <0.00%> (-6.13%)	⬇️
cve_bin_tool/version_scanner.py	86.95% <0.00%> (-3.73%)	⬇️
cve_bin_tool/cve_scanner.py	77.90% <0.00%> (-3.49%)	⬇️
test/test_cli.py	85.34% <0.00%> (-2.20%)	⬇️
cve_bin_tool/output_engine/console.py	93.60% <0.00%> (-1.61%)	⬇️
cve_bin_tool/cli.py	66.56% <0.00%> (-1.28%)	⬇️
... and 20 more

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[terriko]

This works, although I wonder if we should build some ability to avoid specific false positives in the future in case changing the main version_pattern isn't an option.