Apply ruff/pyupgrade rule UP032 to notebooks

[DimitriPapadopoulos]

UP032 Use f-string instead of format call

Starting with ruff 0.6, ruff also lints notebooks.

TODO:

• Unit tests and/or doctests in docstrings
• Tests pass locally
• Docstrings and API docs for any new/modified user-facing classes and functions
• Changes documented in docs/release.rst
• Docs build locally
• GitHub Actions CI passes
• Test coverage to 100% (Codecov passes)

[DimitriPapadopoulos]

Duplicate of #565.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.91%. Comparing base (2a7bf9c) to head (f1d1835).
Report is 66 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #567   +/-   ##
=======================================
  Coverage   99.91%   99.91%           
=======================================
  Files          59       59           
  Lines        2334     2334           
=======================================
  Hits         2332     2332           
  Misses          2        2           

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• Flaky Tests Detection - Detect and resolve failed and flaky tests