chore(py): release tket-py 0.15.11

[hugrbot]

🤖 I have created a release beep boop

0.15.11 (2026-10-02)

Features

• Add T-count optimization pass (#2049) (b23898f)

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This PR was generated with Release Please. See documentation.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.22%. Comparing base (b10a262) to head (67250c7).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2053   +/-   ##
=======================================
  Coverage   83.22%   83.22%           
=======================================
  Files         244      244           
  Lines       39666    39666           
  Branches    37965    37965           
=======================================
  Hits        33012    33012           
  Misses       5370     5370           
  Partials     1284     1284           

Flag	Coverage Δ
python	92.39% <100.00%> (ø)

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