Update pydantic requirement from >=2.11.4 to >=2.13.3 (#227)

Updates the requirements on [pydantic](https://github.com/pydantic/pydantic) to permit the latest version.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.11.4...v2.13.3)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.13.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -23,7 +23,7 @@ dependencies = [
     "click>=8.1.8",
     "jinja2>=3.1.6,<4.0.0",
     "lxml>=6.1.0",
-    "pydantic>=2.11.4",
+    "pydantic>=2.13.3",
     "rich>=14.0.0",
     "tomlkit>=0.13.2",
 ]