build(deps): bump black from 25.11.0 to 25.12.0 in /requirements (#2815)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/requirements_build.txt

@@ -1,4 +1,4 @@
-black==25.11.0
+black==25.12.0
 build==1.3.0
 chevron==0.14.0
 pypandoc_binary==1.15