Update dependency pydantic to v2.12.3 (#121)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements-test.txt

@@ -11,4 +11,4 @@ types-aiofiles==25.1.0.20251011
 mypy==1.18.2
 pylint==4.0.0
 aiofiles==25.1.0
-pydantic==2.12.0
+pydantic==2.12.3