Merge pull request #1261 from projectsyn/renovate/black-25.x

Update dependency black to v25.12.0

Author: simu

poetry.lock

@@ -51,7 +51,7 @@ pytest = "9.0.2"
 pytest-xdist = "3.8.0"
 pytest-benchmark = "5.2.3"
 responses = "0.25.8"
-black = "25.11.0"
+black = "25.12.0"
 pyfakefs = "5.10.2"
 pytest-cov = "7.0.0"
 pylint = "4.0.4"