fixed bug in cve_lookup setup + improved error logging

[jstucke]

resolves #568

there were some problems with the setup of the cve_lookup plugin:

• CVE entries can have CPE names with colons (which breaks parsing)
• there are new (broken?) CPE entries without "cpe23Uri"
• improved (more informative) error logging

[codecov-commenter]

Codecov Report

Merging #569 (859788f) into master (c90e7e5) will increase coverage by 0.08%.
The diff coverage is 78.78%.

@@            Coverage Diff             @@
##           master     #569      +/-   ##
==========================================
+ Coverage   95.55%   95.64%   +0.08%     
==========================================
  Files         307      307              
  Lines       18035    18464     +429     
==========================================
+ Hits        17234    17660     +426     
- Misses        801      804       +3     

Impacted Files	Coverage Δ
...analysis/cve_lookup/internal/database_interface.py	90.76% <37.50%> (-1.04%)	⬇️
...ugins/analysis/cve_lookup/internal/data_parsing.py	87.35% <60.00%> (-1.93%)	⬇️
...s/analysis/cve_lookup/internal/setup_repository.py	82.77% <100.00%> (ø)
...nalysis/cve_lookup/test/test_database_interface.py	88.88% <100.00%> (ø)
.../analysis/cve_lookup/test/test_setup_repository.py	96.21% <100.00%> (+0.25%)	⬆️
src/compare/PluginBase.py	100.00% <0.00%> (ø)
src/helperFunctions/hash.py	100.00% <0.00%> (ø)
src/test/acceptance/auth_base.py	100.00% <0.00%> (ø)
src/test/acceptance/test_misc.py	100.00% <0.00%> (ø)
src/test/unit/test_manage_users.py	100.00% <0.00%> (ø)
... and 134 more

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