feat(checker): add mupdf checker

[ffontaine]

No description provided.

[codecov-commenter]

Codecov Report

Merging #3305 (fae6800) into main (122f306) will decrease coverage by 0.21%.
Report is 1 commits behind head on main.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #3305      +/-   ##
==========================================
- Coverage   80.62%   80.42%   -0.21%     
==========================================
  Files         724      726       +2     
  Lines       11375    11410      +35     
  Branches     1551     1559       +8     
==========================================
+ Hits         9171     9176       +5     
- Misses       1778     1809      +31     
+ Partials      426      425       -1     

Flag	Coverage Δ
longtests	80.42% <100.00%> (+4.77%)	⬆️
win-longtests	?

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Files Changed	Coverage Δ
cve_bin_tool/checkers/__init__.py	91.48% <ø> (ø)
cve_bin_tool/checkers/mupdf.py	100.00% <100.00%> (ø)
test/test_data/mupdf.py	100.00% <100.00%> (ø)

... and 20 files with indirect coverage changes

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[terriko]

Thanks!