Set lock on version of Pydantic (#1737)

## Which issue does this PR close?

Got fixed upstream apache/iceberg-python#2591

- Closes #1736 .

## What changes are included in this PR?

## Are these changes tested?

Author: Fokko

bindings/python/pyproject.toml

@@ -49,7 +49,7 @@ include = [
 ignore = ["F403", "F405"]
 
 [tool.hatch.envs.dev]
-dependencies = ["maturin>=1.0,<2.0", "pytest>=8.3.2", "datafusion==45.*", "pyiceberg[sql-sqlite,pyarrow]>=0.10.0", "fastavro>=1.11.1"]
+dependencies = ["maturin>=1.0,<2.0", "pytest>=8.3.2", "datafusion==45.*", "pyiceberg[sql-sqlite,pyarrow]>=0.10.0", "fastavro>=1.11.1", "pydantic<2.12.0"]
 
 [tool.hatch.envs.dev.scripts]
 build = "maturin build --out dist --sdist"