Add example SARIF files as test data

[TimDiekmann]

🌟 What is the purpose of this PR?

The specifications have four examples SARIF files as an appendix. This PR pulls them into VCS to test the current implementation for those examples.

🔗 Related links

• Appendix K
• GitHub Issue to Appendix K

⚠️ Known issues

• For Example K4 I had to fix some line endings, e.g. a trailing comma or a missing brace
• The JSON Schema validator complains at some sections in K4

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[codecov]

Codecov Report

Merging #2252 (1b5833f) into main (d7da594) will increase coverage by 0.44%.
The diff coverage is 100.00%.

❗ Current head 1b5833f differs from pull request most recent head db38de8. Consider uploading reports for the commit db38de8 to get more accurate results

@@            Coverage Diff             @@
##             main    #2252      +/-   ##
==========================================
+ Coverage   60.71%   61.16%   +0.44%     
==========================================
  Files         295      296       +1     
  Lines       22703    22966     +263     
  Branches      420      420              
==========================================
+ Hits        13784    14047     +263     
  Misses       8914     8914              
  Partials        5        5              

Flag	Coverage Δ
backend-integration-tests	3.66% <ø> (ø)
unit-tests	1.49% <ø> (ø)

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

Impacted Files	Coverage Δ
libs/sarif/src/lib.rs	100.00% <ø> (ø)
libs/sarif/src/schema.rs	100.00% <ø> (ø)
libs/sarif/src/schema/log.rs	100.00% <100.00%> (ø)
libs/sarif/src/schema/properties.rs	100.00% <100.00%> (ø)
libs/sarif/src/schema/run.rs	100.00% <100.00%> (ø)
libs/sarif/src/schema/tool.rs	100.00% <100.00%> (ø)

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[indietyp]

Sad to see that K4 is broken, the issue seems to be semi-activively and discussed and the following errata will change the json-schema to make it comply more with the spec.

[TimDiekmann]

Thanks for posting the link!