Systematically benchmark compression algorithm, compression factor, block size

Execute a systematic and reproducible benchmark to find the optimal combination of

- Compression algorithm
- Compression factor
- Block size

in terms of

- File size
- Applicartion startup time
- zsync efficiency (delta update size)

for

- zlib
- lzma
- zstandard
- dwarfs
- libdeflate

References:
* https://github.com/AppImage/appimagetool/issues/64
* https://github.com/AppImage/AppImageSpec/issues/36