readme: point to dvc.org for packages

[efiop]

We no longer attach bin packages to github releases, so old link is completely misleading.

Fixes #9700

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.02 ⚠️

Comparison is base (2f6c308) 90.25% compared to head (150421b) 90.24%.

❗ Current head 150421b differs from pull request most recent head 5e7ac44. Consider uploading reports for the commit 5e7ac44 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9703      +/-   ##
==========================================
- Coverage   90.25%   90.24%   -0.02%     
==========================================
  Files         480      480              
  Lines       36421    36421              
  Branches     5232     5232              
==========================================
- Hits        32872    32868       -4     
- Misses       2932     2935       +3     
- Partials      617      618       +1     

see 1 file with indirect coverage changes

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