[pontos-update-header] Pass mutliple directories to the command, exclude folders

[y0urself]

What:

• you can now pass multiple directories to the -d/--directories argument
• you can now put directory globs into the exclude file and exclude all files from that directory

Why:

How:

Checklist:

• Tests
• CHANGELOG Entry
• Documentation

[codecov]

Codecov Report

Merging #163 (b7e2d0a) into master (f693dbb) will decrease coverage by 0.61%.
The diff coverage is 36.84%.

❗ Current head b7e2d0a differs from pull request most recent head 8cd74db. Consider uploading reports for the commit 8cd74db to get more accurate results

@@            Coverage Diff             @@
##           master     #163      +/-   ##
==========================================
- Coverage   85.45%   84.84%   -0.62%     
==========================================
  Files          11       11              
  Lines         873      884      +11     
  Branches      137      143       +6     
==========================================
+ Hits          746      750       +4     
- Misses         92       97       +5     
- Partials       35       37       +2     

Impacted Files	Coverage Δ
pontos/changelog/changelog.py	97.67% <ø> (ø)
pontos/terminal/terminal.py	97.22% <ø> (ø)
pontos/version/__main__.py	0.00% <ø> (ø)
pontos/version/__version__.py	100.00% <ø> (ø)
pontos/version/cmake_version.py	85.27% <ø> (ø)
pontos/version/version.py	76.27% <ø> (ø)
pontos/updateheader/updateheader.py	84.78% <36.84%> (-4.20%)	⬇️

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