Feature/remove jar bundle packaging

[pnoltes]

This PR removes the usage of 'jar' to create bundle zips.

'jar' was used to ensure that the 'MANIFEST.mf' was the first entry in a zip file, which can be relevant when streaming bundles to a deployment. This was briefly relevant when combining Apache Celix with the (now retired) Apache Ace project. Because the 'MANIFEST.mf' file is now a 'MANIFEST.json' file, 'jar' is no longer needed.

With this PR, creating bundles can be done by using the CMake built-in zip support (default) or - when disabling compression - with the 'zip' executable.

I also briefly looked at replacing zip with something like Zstandard, but I think this introduces too much complexity without much gain.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.49%. Comparing base (a0562f8) to head (cf0bd6b).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #833      +/-   ##
==========================================
- Coverage   91.50%   91.49%   -0.02%     
==========================================
  Files         235      235              
  Lines       28686    28686              
==========================================
- Hits        26248    26245       -3     
- Misses       2438     2441       +3     

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