More robust create relative symlink in cache

[Wauplin]

Should fix #1108.

[HuggingFaceDocBuilderDev]

The documentation is not available anymore as the PR was closed or merged.

[codecov]

Codecov Report

Base: 57.23% // Head: 84.91% // Increases project coverage by +27.68% 🎉

Coverage data is based on head (494c417) compared to base (6415cd1).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1109       +/-   ##
===========================================
+ Coverage   57.23%   84.91%   +27.68%     
===========================================
  Files          38       38               
  Lines        3926     3931        +5     
===========================================
+ Hits         2247     3338     +1091     
+ Misses       1679      593     -1086     

Impacted Files	Coverage Δ
src/huggingface_hub/file_download.py	87.57% <100.00%> (+27.64%)	⬆️
src/huggingface_hub/repository.py	79.72% <0.00%> (+0.86%)	⬆️
src/huggingface_hub/_commit_api.py	92.10% <0.00%> (+3.50%)	⬆️
src/huggingface_hub/utils/_subprocess.py	100.00% <0.00%> (+11.11%)	⬆️
src/huggingface_hub/utils/_hf_folder.py	100.00% <0.00%> (+11.53%)	⬆️
src/huggingface_hub/utils/_deprecation.py	100.00% <0.00%> (+12.28%)	⬆️
src/huggingface_hub/commands/user.py	33.75% <0.00%> (+12.50%)	⬆️
src/huggingface_hub/utils/_validators.py	100.00% <0.00%> (+17.24%)	⬆️
src/huggingface_hub/community.py	91.35% <0.00%> (+17.28%)	⬆️
src/huggingface_hub/utils/_headers.py	100.00% <0.00%> (+18.00%)	⬆️
... and 16 more

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[sgugger]

Thanks a lot for fixing!

[Wauplin]

Cool, thanks for reviewing :)