[deps] Update dependency black to v25.12.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
black (changelog)	~=25.11.0 → ~=25.12.0
black (changelog)	==25.11.0 → ==25.12.0

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Release Notes

psf/black (black)

v25.12.0

Compare Source

Highlights

• Black no longer supports running with Python 3.9 (#​4842)

Stable style

• Fix bug where comments preceding # fmt: off/# fmt: on blocks were incorrectly
  removed, particularly affecting Jupytext's # %% [markdown] comments (#​4845)
• Fix crash when multiple # fmt: skip comments are used in a multi-part if-clause, on
  string literals, or on dictionary entries with long lines (#​4872)
• Fix possible crash when fmt: directives aren't on the top level (#​4856)

Preview style

• Fix fmt: skip skipping the line after instead of the line it's on (#​4855)
• Remove unnecessary parentheses from the left-hand side of assignments while preserving
  magic trailing commas and intentional multiline formatting (#​4865)
• Fix fix_fmt_skip_in_one_liners crashing on with statements (#​4853)
• Fix fix_fmt_skip_in_one_liners crashing on annotated parameters (#​4854)
• Fix new lines being added after imports with # fmt: skip on them (#​4894)

Packaging

• Releases now include arm64 Windows binaries and wheels (#​4814)

Integrations

• Add output-file input to GitHub Action psf/black to write formatter output to a
  file for artifact capture and log cleanliness (#​4824)

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 32.36%. Comparing base (92c366d) to head (e520f99).
⚠️ Report is 9 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #13652   +/-   ##
=======================================
  Coverage   32.36%   32.36%           
=======================================
  Files        3096     3096           
  Lines      210893   210893           
  Branches    38194    38195    +1     
=======================================
+ Hits        68254    68257    +3     
+ Misses     142639   142636    -3     

Flag	Coverage Δ
opencti-client-python	45.50% <ø> (ø)
opencti-front	2.83% <ø> (ø)
opencti-graphql	67.73% <ø> (+<0.01%)	⬆️

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