Make GeoLite2 file decompression memory efficient

[acelaya]

Closes #71

Refactor logic to decompress a GeoLite2 db file once it has been downloaded, so that we don't try to load the whole file in memory, but do it in chunks instead.

This ensures Shlink does not crash if the amount of memory reserved for it is lower than the GeoLite db file size.

[codecov]

Codecov Report

❌ Patch coverage is 96.66667% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 96.64%. Comparing base (44c4c06) to head (0929c2d).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
src/File/MemoryEfficientFileExtractor.php	95.23%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #73      +/-   ##
============================================
- Coverage     97.02%   96.64%   -0.39%     
- Complexity       36       50      +14     
============================================
  Files            11       13       +2     
  Lines           101      149      +48     
============================================
+ Hits             98      144      +46     
- Misses            3        5       +2     

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