Add SIFT correspondence generation web API endpoint

[supersergiy]

Adds POST /alignment/compute_sift_correspondences endpoint. Updates internal submodule (https://github.com/ZettaAI/internal/pull/154).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.98%. Comparing base (8c2437b) to head (76e9d53).
⚠️ Report is 44 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1184   +/-   ##
=======================================
  Coverage   99.98%   99.98%           
=======================================
  Files         192      192           
  Lines       10199    10199           
=======================================
  Hits        10197    10197           
  Misses          2        2           

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