chore: prepare release

[janfb]

• draft changelog
• bump version

TODO

• GPU tests passing
• slow tests passing
• lock and env files updated.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.51%. Comparing base (fa36b0f) to head (71eef28).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1718   +/-   ##
=======================================
  Coverage   88.51%   88.51%           
=======================================
  Files         137      137           
  Lines       11527    11527           
=======================================
  Hits        10203    10203           
  Misses       1324     1324           

Flag	Coverage Δ
unittests	88.51% <100.00%> (ø)

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Files with missing lines	Coverage Δ
sbi/__version__.py	100.00% <100.00%> (ø)